Filters








242 Hits in 12.4 sec

Asymmetric, dynamic adaptation in prefrontal cortex during dichotic listening tasks

Jonathan A N Fisher, Iryna Gumenchuk, Ora S Rogovin, Arjun G Yodh, David R Busch
2020 Neurophotonics  
Aim: We aimed to obtain a more in-depth portrait of hemispheric asymmetry during dichotic listening tasks at the level of the prefrontal cortex, where prior studies have reported inconsistent results.  ...  Results: We found that dichotic listening tasks elicited hemispheric asymmetries in both amplitude as well as kinetics.  ...  Parvez for help with subject recruitment and for helpful conversations. We thank Drs. W. Baker and A. Parthasarathy for technical assistance with the optical apparatus. We additionally thank Dr. H.  ... 
doi:10.1117/1.nph.7.4.045008 pmid:33163546 pmcid:PMC7641958 fatcat:rxsn7jhtiref7ljgpbvnd3lgha

Asymmetric, dynamic adaptation in prefrontal cortex during dichotic listening tasks

Jonathan A. N. Fisher, Iryna Gumenchuk, Ora S. Rogovin, Arjun G. Yodh, David R. Busch
2020 Neurophotonics  
Aim: We aimed to obtain a more in-depth portrait of hemispheric asymmetry during dichotic listening tasks at the level of the prefrontal cortex, where prior studies have reported inconsistent results.  ...  Results: We found that dichotic listening tasks elicited hemispheric asymmetries in both amplitude as well as kinetics.  ...  Parvez for help with subject recruitment and for helpful conversations. We thank Drs. W. Baker and A. Parthasarathy for technical assistance with the optical apparatus. We additionally thank Dr. H.  ... 
doi:10.1117/1.nph.7.4.045008 fatcat:xv3reopz2fch7h2tmkkdv4w6xm

Cognitive sex differences and hemispheric asymmetry: A critical review of 40 years of research

Marco Hirnstein, Kenneth Hugdahl, Markus Hausmann
2018 Laterality: Asymmetries of Body, Brain and Cognition  
Second, we conclude that stronger hemispheric asymmetry, in general, does not enhance spatial and reduce verbal performance.  ...  ABSTRACT According to a longstanding view, sex differences in cognitive abilities such as mental rotation or verbal memory arise from sex differences in hemispheric asymmetry: males are thought to be more  ...  Sonography (fTCD), fMRI, and PET (Sommer et al., 2004) ; the second study explored structural asymmetry of the planum temporale area and functional language asymmetry with dichotic listening (Sommer  ... 
doi:10.1080/1357650x.2018.1497044 pmid:29985109 fatcat:w6gby4lsobdpxphf53hlsgivdy

Asymmetric, dynamic adaptation in prefrontal cortex during dichotic listening tasks [article]

Jonathan A. N. Fisher, Iryna Gumenchuk, Ora Rogovin, Arjun G. Yodh, David R. Busch
2019 bioRxiv   pre-print
At the level of the prefrontal cortex, dichotic listening induces an asymmetric response wherein regions on the right hemisphere exhibit a higher functional activation than on the left.  ...  during dichotic listening tasks in human subjects.  ...  Parvez for help with subject recruitment and for helpful conversations. We thank Drs. W. Baker and A. Parthasarathy for technical assistance with the optical apparatus. We additionally thank Dr. H.  ... 
doi:10.1101/683987 fatcat:3t45paxjnfh45kwgkuojrtiaqa

Auditory hallucinations in schizophrenia: the role of cognitive, brain structural and genetic disturbances in the left temporal lobe

Kenneth Hugdahl
2008 Frontiers in Human Neuroscience  
The review consists of both previously published and new data that for the fi rst time is presented together in a cohesive way.  ...  symptom rating scale (BPRS) correlated negatively with number of correct reports for the right ear stimulus.  ...  for Western Norway (Helse Vest RHF) and Dr.  ... 
doi:10.3389/neuro.09.006.2007 pmid:18958220 pmcid:PMC2525988 fatcat:4q6tk6v7yrd2dotjmhvqo5jp2a

The effects of background noise on dichotic listening to consonant–vowel syllables

Sarah Dos Santos Sequeira, Karsten Specht, Heikki Hämäläinen, Kenneth Hugdahl
2008 Brain and Language  
The effects of background noise on dichotic listening to consonant-vowel syllables -an fMRI study.  ...  Dichotic listening as a method to study the asymmetry of speech perception In 1961, Kimura published two papers reporting results when she examined language lateralization functions in neurological patients  ...  En studie av den perseptuelle analysens betydning for verbal laering. Håland, W., Dr. philos. Psykoterapi: relasjon, utviklingsprosess og effekt. Iversen, Anette Christine, Dr. philos.  ... 
doi:10.1016/j.bandl.2008.06.001 pmid:18602155 fatcat:5icorhfrn5h5vojx4sbctugfrm

Intrahemispheric white matter asymmetries: the missing link between brain structure and functional lateralization?

Sebastian Ocklenburg, Patrick Friedrich, Onur Güntürkün, Erhan Genç
2016 Reviews in the Neurosciences  
AbstractHemispheric asymmetries are a central principle of nervous system architecture and shape the functional organization of most cognitive systems.  ...  Structural gray matter asymmetries and callosal interactions have been identified as contributing neural factors but always fell short to constitute a full explanans. Meanwhile, recent advances in  ...  In a dichotic listening study with two patients with conduction aphasia, Damasio and Damasio (1980) showed that both patients did not report a right-ear stimulus even a single time, while for all 110  ... 
doi:10.1515/revneuro-2015-0052 pmid:26812865 fatcat:d2ovgknarrfupdumjgttjorgxy

The Neuromodulatory Effects of Sex Hormones on Functional Cerebral Asymmetries and Cognitive Control

Sophie Hodgetts, Markus Hausmann
2018 Zeitschrift für Neuropsychologie  
, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that: • a full bibliographic reference is made to the original source • a link is made  ...  Citation for published item: rodgettsD ophie nd rusmnnD wrkus @PHIVA 9he neuromodultory e'ets of sex hormones on funtionl ererl symmetries nd ognitive ontrolF9D eitshrift f¤ ur xeuropsyhologieFD PW @QAF  ...  How brain asymmetry relates to performance -a large-scale dichotic listening study (vol 4, 997, 2014).  ... 
doi:10.1024/1016-264x/a000224 fatcat:zr5wnxfshrh3pdvdvefjb3e4dq

Priming inhibits the right ear advantage in dichotic listening: Implications for auditory laterality

Bjørn Sætrevik, Kenneth Hugdahl
2007 Neuropsychologia  
Report III The third report, An fMRI study of priming in dichotic listening shows inhibition of attention, repeated the experimental design used in Report I, while also acquiring fMRI data for analysis  ...  Discussion Implications for primed dichotic listening The three reports demonstrated a novel way of manipulating responses in the dichotic listening paradigm, which appears to act through attention inhibition  ...  I Doctoral Theses at The Faculty of Psychology, University of Bergen Johnsen, Grethe E., PhD Memory impairment in patients with posttraumatic stress disorder  ... 
doi:10.1016/j.neuropsychologia.2006.07.005 pmid:16996091 fatcat:32gitrqnz5gnbghzrq47pmqrbe

Laterality and language experience

Rachel Hull, Jyotsna Vaid
2006 Laterality: Asymmetries of Body, Brain and Cognition  
A meta-analysis was conducted on studies that examined hemispheric functional asymmetry for language in brain-intact monolingual and bilingual adults.  ...  Variables examined were language experience (monolingual, bilingual), experimental paradigm (dichotic listening, visual hemifield presentation, and dual task) and, among bilinguals, the influence of second  ...  of verbal processing during dichotic listening tasks.  ... 
doi:10.1080/13576500600691162 pmid:16882556 fatcat:ppayphcyunauzbuthaummdoxny

Laterality Explored: Atypical Hemispheric Dominance in Down Syndrome [chapter]

George Grouios, Antonia Ypsilanti, Irene Koidou
2013 Down Syndrome  
Atypical laterality in individuals with Down syndrome Dichotic listening studies In dichotic listening studies the participants selectively attend one of the two messages presented simultaneously in both  ...  Individuals with left hemisphere dominance for speech generally show a right-ear advantage for verbal stimuli.  ... 
doi:10.5772/53829 fatcat:vrvzv4h33ngedioehxrecgmhiy

Revisiting Hemispheric Asymmetry in Mood Regulation: Implications for rTMS for Major Depressive Disorder

Benjamin C. Gibson, Andrei Vakhtin, Vincent P. Clark, Christopher C. Abbott, Davin K. Quinn
2022 Brain Sciences  
Hemispheric differences in emotional processing have been observed for over half a century, leading to multiple theories classifying differing roles for the right and left hemisphere in emotional processing  ...  of repetitive transcranial magnetic stimulation (rTMS) for the treatment of major depressive disorder (MDD).  ...  Perceptual/Split-Brain Studies Hemispheric differences in emotional processing have been explored in healthy adults through the dichotic listening and visual hemifield paradigms, together known as perceptual  ... 
doi:10.3390/brainsci12010112 pmid:35053856 pmcid:PMC8774216 fatcat:hz2ukawrd5gsxhn6gvuh3ri3mu

Dichotic listening deficits in amblyaudia are characterized by aberrant neural oscillations in auditory cortex [article]

Sara Momtaz, Deborah Moncrieff, Gavin M Bidelman
2020 bioRxiv   pre-print
Amblyaudia (AMB) is a subcategory of APD characterized by abnormally large ear asymmetries in dichotic listening tasks.  ...  a hypersynchronization and imbalance of auditory neural activity.  ...  Similarly, early fMRI studies noted 116 hemispheric deficiencies when children with AMB listened to dichotic stimuli compared to 117 normal controls (Hashimoto et al., 2000; Moncrieff et al., 2008).  ... 
doi:10.1101/2020.11.27.401604 fatcat:fr5j24gnmvafln2dz4fb7sl2wu

The impact of affectivity dispositions, self-efficacy and locus of control on psychosocial adjustment in patients with epilepsy

Arne Gramstad, Erik Iversen, Bernt A Engelsen
2001 Epilepsy Research  
Report II Seventeen patients with focal temporal lobe epilepsy and a left hemisphere dominance for speech were tested with dichotic listening and the Halstead-Reitan battery (HRB).  ...  Report III Fifty right-handed patients with focal temporal lobe epilepsy were tested in a similar way to the patients in paper I, but this time results of the forced-attention paradigm in dichotic listening  ... 
doi:10.1016/s0920-1211(01)00261-3 pmid:11395289 fatcat:4xhsbfuws5estcew7vgwglhpru

Reversal of hemispheric asymmetry on auditory tasks in children who are poor listeners

Rebecca I Estes, James Jerger, Gary Jacobson
2002 Journal of american academy of audiology  
In the poor-listener group, however, activation tended toward asymmetry, favoring the left hemisphere.  ...  These results suggest that abnormalities in hemispheric lateralization of function may underlie the auditory processing problems of at least some children described as poor listeners.  ...  In children with language disorder, a series of ERP studies have demonstrated reversed Reversal of Hemispheric Asymmetry in Poor Listeners/Estes et al hemispheric asymmetry.  ... 
pmid:11895008 fatcat:4lgnvi2h5bgu7g72exi56g7gni
« Previous Showing results 1 — 15 out of 242 results