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Arc length coding by interference of theta frequency oscillations may underlie context-dependent hippocampal unit data and episodic memory function

M. E. Hasselmo
<span title="2007-11-14">2007</span> <i title="Cold Spring Harbor Laboratory"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/x3zsehymfnfkzp2peshksh4il4" style="color: black;">Learning &amp; memory (Cold Spring Harbor, N.Y.)</a> </i> &nbsp;
The simulations presented in this paper focus on published experimental data gathered in my laboratory by Inah Lee (now at the University of Iowa) and Amy Griffin (now at the University of Delaware) in  ...  Conte Center grant NIMH MH71702, NIMH R01 60013, NIMH MH61492, NIMH MH60450, NSF SLC SBE 0354378, and NIDA DA16454 (part of the CRCNS program).  ...  The amplitude of hippocampal theta oscillations correlates with memory-guided performance (Winson 1978; Givens and Olton 1990; Seager et al. 2002; Griffin et al. 2004) , and theta rhythm enhances the  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/lm.686607">doi:10.1101/lm.686607</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/18007021">pmid:18007021</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2080580/">pmcid:PMC2080580</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/i5egvy35trbq7kl3qadapzgkja">fatcat:i5egvy35trbq7kl3qadapzgkja</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180720234616/http://learnmem.cshlp.org/content/14/11/782.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/c8/48/c848b7386f441fe8ee1024ea16d96c574d65235e.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/lm.686607"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2080580" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Potential roles of cholinergic modulation in the neural coding of location and movement speed

Holger Dannenberg, James R. Hinman, Michael E. Hasselmo
<span title="">2016</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/7hv2fpxexvcfdabutsdakldzme" style="color: black;">Journal of Physiology - Paris</a> </i> &nbsp;
In addition, circuit effects of acetylcholine regulate the dynamics of cortical circuits including oscillations at theta and gamma frequencies.  ...  Behavioral data suggest that cholinergic modulation may play a role in certain aspects of spatial memory, and neurophysiological data demonstrate neurons that fire in response to spatial dimensions, including  ...  Acknowledgments This work was supported by National Institute of Mental Health R01 MH061492, R01 MH060013, NSF EAGER PHY 1444389 and the Office of Naval Research MURI grant N00014-10-1-0936.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.jphysparis.2016.09.002">doi:10.1016/j.jphysparis.2016.09.002</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/27677935">pmid:27677935</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC5164951/">pmcid:PMC5164951</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/2is2hssopnhglagfroox3zxljq">fatcat:2is2hssopnhglagfroox3zxljq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20191209033356/http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC5164951&amp;blobtype=pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/67/e4/67e4a8faf43f09e997db3e0434544b661506107d.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.jphysparis.2016.09.002"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5164951" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Hippocampal mechanisms for the context-dependent retrieval of episodes

Michael E. Hasselmo, Howard Eichenbaum
<span title="">2005</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/oml24fsyizfuhn3rn5np75ubdi" style="color: black;">Neural Networks</a> </i> &nbsp;
Here, this process has been modeled based on the physiological properties of hippocampal formation, including mechanisms for sustained activity in entorhinal cortex and theta rhythm oscillations in hippocampal  ...  This activity is used to guide behavior, and lesions of the hippocampal network impair memory-guided behavior.  ...  Acknowledgements Research supported by the following grants: NIMH 60013, NIMH 61492, NIMH 60450, NSF SLC CELEST SBE 354378 and NIDA 16454 as part of the NSF/NIH Program for Collaborative Research in Computational  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neunet.2005.08.007">doi:10.1016/j.neunet.2005.08.007</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/16263240">pmid:16263240</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2253492/">pmcid:PMC2253492</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ua5bzhylb5gtdk26ul3pge22oy">fatcat:ua5bzhylb5gtdk26ul3pge22oy</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200709201001/http://people.bu.edu/hasselmo/HasselmoEichenbaum2005proofs.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/4f/7c/4f7c8e2e5bf877aca373af948b2ea5b61a01b2a3.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neunet.2005.08.007"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2253492" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Linking Cellular Mechanisms to Behavior: Entorhinal Persistent Spiking and Membrane Potential Oscillations May Underlie Path Integration, Grid Cell Firing, and Episodic Memory

Michael E. Hasselmo, Mark P. Brandon
<span title="">2008</span> <i title="Hindawi Limited"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/7swofhydobailpabrdytoscy2a" style="color: black;">Neural Plasticity</a> </i> &nbsp;
The entorhinal cortex plays an important role in spatial memory and episodic memory functions.  ...  The interaction of oscillations and persistent firing could contribute to encoding and retrieval of trajectories through space and time as a mechanism relevant to episodic memory.  ...  This article describes cellular and circuit mechanisms in the entorhinal cortex that could underlie its role in spatial and episodic memory functions.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1155/2008/658323">doi:10.1155/2008/658323</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/18670635">pmid:18670635</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2480478/">pmcid:PMC2480478</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/7d6rewt7yjb65afrvsnhthzlru">fatcat:7d6rewt7yjb65afrvsnhthzlru</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180723013930/https://open.bu.edu/bitstream/handle/2144/3158/NP2008-658323.pdf?sequence=1" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/8a/f9/8af9952310112e4e24fd25c340f840fcf7b47bbe.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1155/2008/658323"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> hindawi.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2480478" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

A simulation of parahippocampal and hippocampal structures guiding spatial navigation of a virtual rat in a virtual environment: a functional framework for theta theory [chapter]

Michael Hasselmo, Robert C. Cannon, Randal Koene
<span title="2002-10-24">2002</span> <i title="Oxford University Press"> The Parahippocampal RegionOrganization and Role in Cognitive Function </i> &nbsp;
Alonso A, Garcia-Austt E Neuronal sources of theta rhythm in the entorhinal cortex of the rat. II. Phase relations between unit discharges and theta field potentials. Exp.  ...  Demiralp T, Basar-Eroglu C, Rahn E, Basar E (1994) Event-related theta rhythms in cat hippocampus and prefrontal cortex during an omitted stimulus paradigm.  ...  Neuropsychological evidence suggests that damage to the regions involved in synchronization of theta rhythm activity may cause memory impairments.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1093/acprof:oso/9780198509172.003.0008">doi:10.1093/acprof:oso/9780198509172.003.0008</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/xmh4x5ze35ch7duvjfmyuosmhu">fatcat:xmh4x5ze35ch7duvjfmyuosmhu</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200321090757/http://www.bu.edu/hasselmo/WitterChapterFinal.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/e2/3e/e23e9f0838ce9ecc65dfcfd0bcebfbcf56414946.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1093/acprof:oso/9780198509172.003.0008"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> oup.com </button> </a>

What is the function of hippocampal theta rhythm?—Linking behavioral data to phasic properties of field potential and unit recording data

Michael E. Hasselmo
<span title="">2005</span> <i title="Wiley"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/4vc47i7vtzcjjp4eyu56u3ffwy" style="color: black;">Hippocampus</a> </i> &nbsp;
of sequences, (3) buffering of novel information in entorhinal cortex (EC) for episodic encoding, and (4) timing interactions between prefrontal cortex and hippocampus for memory-guided action selection  ...  e.g., "splitter cells"), (3) the cholinergic regulation of sustained activity in entorhinal cortical neurons, and (4) the phasic timing of prefrontal cortical neurons relative to hippocampal theta rhythm  ...  Acknowledgments I appreciate comments on the manuscript from Lisa Giocomo, Amy Griffin, Christina Rossi, Chantal Stern, and Eric Zilli.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1002/hipo.20116">doi:10.1002/hipo.20116</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/16158423">pmid:16158423</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/wfakxpiwfzchfnpekru2vmcgl4">fatcat:wfakxpiwfzchfnpekru2vmcgl4</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170706031758/https://itb.biologie.hu-berlin.de/%7Ekempter/HippoJC/Articles/hasselmo05a.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/09/24/0924843acc2713a70290490bf91f1f1870c31284.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1002/hipo.20116"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> wiley.com </button> </a>

Interaction between neocortical and hippocampal networks via slow oscillations

Anton Sirota, György Buzsáki
<span title="">2005</span> <i title="Cambridge University Press (CUP)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/cggcbr4vezcpbadmq5u2dsnvyq" style="color: black;">Thalamus &amp; Related Systems</a> </i> &nbsp;
We suggest that slow oscillation of the neocortex, which was discovered by Mircea Steriade, temporally coordinates the self-organized oscillations in the neocortex, entorhinal cortex, subiculum and hippocampus  ...  Transient coupling between rhythms can guide bidirectional information transfer among these structures and might serve to consolidate memory traces.  ...  A second, extrahippocampal, theta oscillator is located in the entorhinal cortex.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1017/s1472928807000258">doi:10.1017/s1472928807000258</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/18185848">pmid:18185848</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2180396/">pmcid:PMC2180396</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/sh24hp4snfgo5j4fvid4srmmra">fatcat:sh24hp4snfgo5j4fvid4srmmra</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20191122204412/http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC2180396&amp;blobtype=pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/66/c6/66c6bd0ac250feb1685a417d870d991fdc0ba146.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1017/s1472928807000258"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> cambridge.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2180396" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Memory, navigation and theta rhythm in the hippocampal-entorhinal system

György Buzsáki, Edvard I Moser
<span title="2013-01-28">2013</span> <i title="Springer Nature"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/lnbpt3q37zbs5nc5hp4wlttdwy" style="color: black;">Nature Neuroscience</a> </i> &nbsp;
We review experimental data in support of this hypothesis and discuss how specific firing patterns and oscillatory dynamics in the entorhinal cortex and hippocampus can support both navigation and memory  ...  Here we propose that mechanisms of memory and planning have evolved from mechanisms of navigation in the physical world and hypothesize that the neuronal algorithms underlying navigation in real and mental  ...  The brain systems involved in guiding navigation, the hippocampus and entorhinal cortex, are the same that support declarative memories 9, 10 .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1038/nn.3304">doi:10.1038/nn.3304</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/23354386">pmid:23354386</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC4079500/">pmcid:PMC4079500</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/flxypijmt5bmhkm26aiyqtwjsi">fatcat:flxypijmt5bmhkm26aiyqtwjsi</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170811201330/http://www.buzsakilab.org/content/PDFs/Buzsaki_Moser_NN2013.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/d1/8c/d18cc66f7f87e041dec544a0b843496085ab54e1.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1038/nn.3304"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> nature.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4079500" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Hippocampal sequence-encoding driven by a cortical multi-item working memory buffer

Ole Jensen, John E. Lisman
<span title="">2005</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/53wtswjt2balnct24ywxu4bzzu" style="color: black;">Trends in Neurosciences</a> </i> &nbsp;
Here, we argue that LTP can underlie the learning of such memory sequences, provided the input to the hippocampus is from a cortical multi-item working memory buffer in which theta and gamma oscillations  ...  The physiological and behavioral evidence for such a buffer will be reviewed.  ...  Acknowledgements This research was (in part) supported in the framework of the Netherlands Organization for Scientific Research (NWO) Innovative Research Incentive Schemes, with financial aid from the  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.tins.2004.12.001">doi:10.1016/j.tins.2004.12.001</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/15667928">pmid:15667928</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/d27tiibjz5ebrmrza7g67j2ksa">fatcat:d27tiibjz5ebrmrza7g67j2ksa</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170809070755/https://itb.biologie.hu-berlin.de/~kempter/Hippocampus_Journal_Club/Articles/jensen05.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/4f/26/4f2626e46ca880622626e2c1d359370fb0d50dc9.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.tins.2004.12.001"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a>

Cellular dynamical mechanisms for encoding the time and place of events along spatiotemporal trajectories in episodic memory

Michael E. Hasselmo, Lisa M. Giocomo, Mark P. Brandon, Motoharu Yoshida
<span title="">2010</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/ewewbkkyvfat3ngsktdrzbzog4" style="color: black;">Behavioural Brain Research</a> </i> &nbsp;
Lesions of the hippocampus, entorhinal cortex and subcortical nuclei impair episodic memory function in humans and animals, and unit recording data from these regions in behaving animals indicate episodic  ...  The model also addresses how cellular dynamics could underlie unit firing data suggesting mechanisms for coding continuous dimensions of space, time, sensation and action.  ...  Cholinergic modulation has been shown to enhance theta rhythm oscillations in the hippocampus [11, 100] .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.bbr.2009.12.010">doi:10.1016/j.bbr.2009.12.010</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/20018213">pmid:20018213</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2891577/">pmcid:PMC2891577</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/3vbx6mpe7ndpfferf6l7j4emci">fatcat:3vbx6mpe7ndpfferf6l7j4emci</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20191201165206/http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC2891577&amp;blobtype=pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/4d/c4/4dc4638a3b072650b83bba19b1dd7502b4ed5895.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.bbr.2009.12.010"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2891577" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

The Theta Rhythm of the Hippocampus: From Neuronal and Circuit Mechanisms to Behavior

Angel Nuñez, Washington Buño
<span title="2021-03-04">2021</span> <i title="Frontiers Media SA"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/n5oku2uutza7dou2nqqzxhetqy" style="color: black;">Frontiers in Cellular Neuroscience</a> </i> &nbsp;
This review focuses on the neuronal and circuit mechanisms involved in the generation of the theta (θ) rhythm and of its participation in behavior.  ...  To accomplish those functions, θ and gamma (γ) oscillations interact during the awake state and REM sleep, which are considered to be critical for learning and memory processes.  ...  number of the publications included in this review.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3389/fncel.2021.649262">doi:10.3389/fncel.2021.649262</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/33746716">pmid:33746716</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC7970048/">pmcid:PMC7970048</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/krvzd56gxnhvtk7wjhtvjwgmzi">fatcat:krvzd56gxnhvtk7wjhtvjwgmzi</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210323222110/http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC7970048&amp;blobtype=pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/06/7d/067dbf5f23d801b89000721d1aacca154c6e0809.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3389/fncel.2021.649262"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> frontiersin.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7970048" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Mechanisms underlying working memory for novel information

Michael E. Hasselmo, Chantal E. Stern
<span title="">2006</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2gvktplqc5gm7mwsea6qgdwy4m" style="color: black;">Trends in Cognitive Sciences</a> </i> &nbsp;
In this Opinion article we describe a theory that the brain mechanisms underlying working memory for novel information include a buffer in parahippocampal cortices.  ...  . fMRI studies and lesion studies suggest that parahippocampal regions mediate working memory for novel stimuli, and the effects of cholinergic blockade impair this function.  ...  with evidence for cholinergic modulation of cortical theta rhythm oscillations.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.tics.2006.09.005">doi:10.1016/j.tics.2006.09.005</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/17015030">pmid:17015030</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2253490/">pmcid:PMC2253490</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/hwh7qtk7yrcznbvs5km3hc2cta">fatcat:hwh7qtk7yrcznbvs5km3hc2cta</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170808042514/http://people.bu.edu/hasselmo/HasselmoSternTICS2006.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/1c/bb/1cbb920f7ad5b1b23a15cd5d7e183f73fc719af9.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.tics.2006.09.005"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2253490" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Rhythms of the hippocampal network

Laura Lee Colgin
<span title="2016-03-10">2016</span> <i title="Springer Nature"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/pt4z3gexdvdshjlzwp4gogrnji" style="color: black;">Nature Reviews Neuroscience</a> </i> &nbsp;
In this Review, I discuss our current understanding of the origins and the mnemonic functions of hippocampal theta, sharp wave-ripples and gamma rhythms on the basis of findings from rodent studies.  ...  Abstract | The hippocampal local field potential (LFP) shows three major types of rhythms: theta, sharp wave-ripples and gamma.  ...  Acknowledgements The author thanks K. Bieri, E. Hwaun, and C. Zheng for assistance with data collection and/or figure preparation.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1038/nrn.2016.21">doi:10.1038/nrn.2016.21</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/26961163">pmid:26961163</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC4890574/">pmcid:PMC4890574</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/4xnrlvsrfbe6bhe6jmjcwjj2ka">fatcat:4xnrlvsrfbe6bhe6jmjcwjj2ka</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170830042349/https://clm.utexas.edu/CLMsite/wp-content/uploads/Colgin-Nature-Neurosci-Review-2016.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/5b/ee/5beeefe15e1c3c1fe400fc6ad5c6a6af9cd2653c.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1038/nrn.2016.21"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> nature.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4890574" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Neural mechanisms of navigation involving interactions of cortical and subcortical structures

James R. Hinman, Holger Dannenberg, Andrew S. Alexander, Michael E. Hasselmo
<span title="">2018</span> <i title="American Physiological Society"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/nr2f6gixzrgdlloxlemhfdztdi" style="color: black;">Journal of Neurophysiology</a> </i> &nbsp;
To serve this function, a number of different brain regions play a role in coding different dimensions of sensory input important for spatial behavior, including the entorhinal cortex, the retrosplenial  ...  INVOLVED IN SPATIAL NAVIGATION Address for reprint requests and other correspondence: M.  ...  These mechanisms link very effectively to data on the firing of grid cells relative to theta rhythm oscillations in the entorhinal cortex (Hafting et al. 2008 ) and the fact that reductions in theta rhythm  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1152/jn.00498.2017">doi:10.1152/jn.00498.2017</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/29442559">pmid:29442559</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ttrtu6yrdffb3etbqoeni7i43a">fatcat:ttrtu6yrdffb3etbqoeni7i43a</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190221213818/http://pdfs.semanticscholar.org/2f3a/ed6283975b8022eba7e556b11bedf1024360.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/2f/3a/2f3aed6283975b8022eba7e556b11bedf1024360.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1152/jn.00498.2017"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Grid cell mechanisms and function: Contributions of entorhinal persistent spiking and phase resetting

Michael E. Hasselmo
<span title="">2008</span> <i title="Wiley"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/4vc47i7vtzcjjp4eyu56u3ffwy" style="color: black;">Hippocampus</a> </i> &nbsp;
This article presents a model of grid cell firing based on the intrinsic persistent firing shown experimentally in neurons of entorhinal cortex.  ...  In network simulations of entorhinal cortex, hippocampus, and postsubiculum, the reset of phase effectively replicates context-dependent firing by entorhinal and hippocampal neurons during performance  ...  This could also reflect the creation of intermittent goal representations for guiding sequential behavior in the maze, which could guide behavior at each point based on a goal vector created by integration  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1002/hipo.20512">doi:10.1002/hipo.20512</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/19021258">pmid:19021258</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2614862/">pmcid:PMC2614862</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/jbfoqpbfrjbyvaqsqbg7zgzuhy">fatcat:jbfoqpbfrjbyvaqsqbg7zgzuhy</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20090709145503/http://www.bu.edu/hasselmo/HasselmoGridCellSpecialIssue2008.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/42/e4/42e48be71b309c6684eee0c8fac0149fe23bb6f4.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1002/hipo.20512"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> wiley.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2614862" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>
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