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Reorganization of Frontal Systems Used by Alcoholics for Spatial Working Memory: An fMRI Study

Adolf Pfefferbaum, John E. Desmond, Christopher Galloway, Vinod Menon, Gary H. Glover, Edith V. Sullivan
2001 NeuroImage  
systems invoked by alcoholic individuals or invocation of an inappropriate brain system when engaged in a visual spatial task requiring working memory.  ...  stream for visual spatial working memory processing, whereas the alcoholic group exhibited activation of the ventral ("What?")  ...  ACKNOWLEDGMENTS This work was supported by grants from the National Institutes of Health (AA05965, AA10723, AG19717, and RR09784).  ... 
doi:10.1006/nimg.2001.0785 pmid:11525339 fatcat:j53g62jclvbq3gkbdrgrksh3wi

Response inhibition among early adolescents prenatally exposed to tobacco: An fMRI study

David S. Bennett, Feroze B. Mohamed, Dennis P. Carmody, Margaret Bendersky, Sunil Patel, Maryam Khorrami, Scott H. Faro, Michael Lewis
2009 Neurotoxicology and Teratology  
The present study compared the brain function of tobacco-exposed (n = 7) and unexposed (n = 11) 12-year-olds during a Go/No-Go response inhibition task using an event-related functional MRI (fMRI) design  ...  The diversity of regions showing greater activation among tobacco-exposed children suggests that their brain function is characterized by an inefficient recruitment of regions required for response inhibition  ...  Acknowledgments This study was supported by grant #4100011451 from the Pennsylvania Department of Health (the Department specifically disclaims responsibility for any analyses, interpretations or conclusions  ... 
doi:10.1016/j.ntt.2009.03.003 pmid:19351556 pmcid:PMC2771740 fatcat:4sqp4qp7tjbvdo3x7u4ctelmze

Cerebral Functional Manipulation of Repetitive Transcranial Magnetic Stimulation in Cognitive Impairment Patients After Stroke: An fMRI Study

Yamei Li, Hong Luo, Qian Yu, Longlin Yin, Kuide Li, Yi Li, Jing Fu
2020 Frontiers in Neurology  
This study aims to figure out cerebral functional manipulation of rTMS in patients with PSCI through using the resting-state functional magnetic resonance imaging (rs-fMRI).  ...  Conclusion: The increase and decrease of neural activity and FC in cognition-related regions detected by rs-fMRI are good indicators to clarify the underlining mechanisms of rTMS on PSCI.  ...  The IFG is an important part of Broca region, and some studies have found that it is related to semantic acquisition and working memory (50) .  ... 
doi:10.3389/fneur.2020.00977 pmid:33013646 pmcid:PMC7506052 fatcat:c2wp22exqjhdnh3esduhrkurxi

Acute Ketamine Administration Alters the Brain Responses to Executive Demands in a Verbal Working Memory Task: an fMRI Study

R A E Honey, G D Honey, C O'Loughlin, S R Sharar, D Kumaran, E T Bullmore, D K Menon, T Donovan, V C Lupson, R Bisbrown-Chippendale, P C Fletcher
2004 Neuropsychopharmacology  
We have used functional MRI to determine the effects of ketamine on brain systems activated in association with a working memory task.  ...  Our results suggest a task-specific effect of ketamine on working memory in a brain system comprising frontal cortex, parietal cortex, and putamen.  ...  ACKNOWLEDGEMENTS PCF, RAEH, and GDH are supported by the Wellcome Trust. We are very grateful to Gloria Gee and others at the Wolfson Brain Imaging Centre.  ... 
doi:10.1038/sj.npp.1300438 pmid:15100698 pmcid:PMC3838946 fatcat:vnvbnbs6wvhmjlvz3nhwgeo2gy

An fMRI study of behavioral response inhibition in adolescents with and without histories of heavy prenatal alcohol exposure

Ashley L. Ware, M. Alejandra Infante, Jessica W. O'Brien, Susan F. Tapert, Kenneth Lyons Jones, Edward P. Riley, Sarah N. Mattson
2015 Behavioural Brain Research  
However, the majority of alcohol-exposed children do not meet diagnostic criteria for FAS; fetal alcohol spectrum disorders (FASD) encompass individuals affected by alcohol, including those with and without  ...  The stop-signal task (SST) is hypothesized to provide a more accurate assessment of RI. The current study examined RI using the SST in alcohol-exposed and control adolescents.  ...  Center for Behavioral Teratology, SDSU.  ... 
doi:10.1016/j.bbr.2014.09.037 pmid:25281280 pmcid:PMC4382425 fatcat:e3cawntybffuhpw7uopqumxorm

Abnormal resting state functional connectivity in patients with chronic fatigue syndrome: an arterial spin-labeling fMRI study

Jeff Boissoneault, Janelle Letzen, Song Lai, Andrew O'Shea, Jason Craggs, Michael E. Robinson, Roland Staud
2016 Magnetic Resonance Imaging  
The current report used ASL to compare functional connectivity of regions implicated in ME/CFS between patients and healthy controls (HC).  ...  Our results demonstrate altered functional connectivity of several regions associated with cognitive, affective, memory, and higher cognitive function in ME/CFS patients.  ...  Finally, ME/CFS patients showed altered connectivity for both right and left SFG. Lesion studies indicate that the SFG serves a critical role in working memory function [34] .  ... 
doi:10.1016/j.mri.2015.12.008 pmid:26708036 pmcid:PMC4801728 fatcat:yst2uubba5etzizlyl65dipex4

Enhanced emotional reactivity after selective REM sleep deprivation in humans: an fMRI study

Alejandra Rosales-Lagarde, Jorge L. Armony, Yolanda del Río-Portilla, David Trejo-Martínez, Ruben Conde, Maria Corsi-Cabrera
2012 Frontiers in Behavioral Neuroscience  
The aim of the present study was to explore the effects of selective REM sleep deprivation (REM-D) on emotional responses to threatening visual stimuli and their brain correlates using functional magnetic  ...  In terms of fMRI signal, there was, as expected, an overall decrease in activity in the NREM-I group when subjects performed the task the second time, particularly in regions involved in emotional processing  ...  ACKNOWLEDGMENTS This work was supported by CONACYT, Project: 50709. Rosales-Lagarde A. received a grant from CONACYT for graduate studies and post-doc (86800).  ... 
doi:10.3389/fnbeh.2012.00025 pmid:22719723 pmcid:PMC3376727 fatcat:c354vomnbrd4lhckkbe73evjb4

Alterations in Low-Level Perceptual Networks Related to Clinical Severity in PTSD after an Earthquake: A Resting-State fMRI Study

Jing Shang, Su Lui, Yajing Meng, Hongru Zhu, Changjian Qiu, Qiyong Gong, Wei Liao, Wei Zhang, Huafu Chen
2014 PLoS ONE  
In addition, the breathing and heart rates were not monitored in our small sample size of subjects. In future studies, specific task paradigms should be used to reveal perceptual impairments.  ...  Several task-based functional MRI (fMRI) studies have highlighted abnormal activation in specific regions involving the low-level perceptual (auditory, visual, and somato-motor) network in posttraumatic  ...  Wei Liao for helpful discussion and providing us the RSNs image which was used as the template in the present study. Author Contributions  ... 
doi:10.1371/journal.pone.0096834 pmid:24823717 pmcid:PMC4019529 fatcat:jiz2y6sd75bmzgudzx376xw6sq

Memories of Memories

Daniel E. Shulz
2000 Neuron  
tasks has been one of the goals of many of these works. essential tools for studying human brain function.  ...  The The use of more sophisticated analysis techniques use of fMRI in the nonhuman primate should allow longi-(e.g., single-trial protocols and interregional correlatudinal studies of plastic processes  ...  Acknowledgments has been discussed by Moshe Abeles (Jerusalem, Is-  ... 
doi:10.1016/s0896-6273(00)00082-9 pmid:11086980 fatcat:sgtvzty5jnelblscqrh7wxm5iu

Stop What You're Doing!—An fMRI Study on Comparisons of Neural Subprocesses of Response Inhibition in ADHD and Alcohol Use Disorder

Sarah Gerhardt, Mathias Luderer, Jan M. Bumb, Esther Sobanski, Franz Moggi, Falk Kiefer, Sabine Vollstädt-Klein
2021 Frontiers in Psychiatry  
Rationale: Both attention deficit-/hyperactivity disorder (ADHD) and alcohol use disorder (AUD) are accompanied by deficits in response inhibition.  ...  abstinent individuals with alcohol use disorder (AUD; N = 15), and healthy controls (HC; N = 15).  ...  A reorganization of brain regions involved in attention and working memory has been discussed regarding AUD (61) .  ... 
doi:10.3389/fpsyt.2021.691930 pmid:34603097 pmcid:PMC8481878 fatcat:zyxnnhbhgrb67e6jqnfp4qfrlm

The neural correlates of the visual consciousness in schizophrenia: an fMRI study

S. Lefebvre, E. Very, R. Jardri, M. Horn, A. Yrondi, C. Delmaire, C. Rascle, K. Dujardin, P. Thomas, D. Pins
2020 European Archives of Psychiatry and Clinical Neuroscience  
Finally, the conscious access to the visual inputs is impaired by a dysfunction of the anterior cingulate cortex.  ...  The current study suggests that none of the two suggested models can explain consciousness disorders in schizophrenia.  ...  Despretz for his help in the conception and design of the task. We also wanted to thank Pr. M.  ... 
doi:10.1007/s00406-020-01167-2 pmid:32813032 pmcid:PMC8119280 fatcat:brifpdenc5hvpc5zb6hvmogz2e

fMRI response to spatial working memory in adolescents with comorbid marijuana and alcohol use disorders

Alecia D. Schweinsburg, Brian C. Schweinsburg, Erick H. Cheung, Gregory G. Brown, Sandra A. Brown, Susan F. Tapert
2005 Drug and Alcohol Dependence  
We previously demonstrated functional magnetic resonance imaging (fMRI) response to spatial working memory (SWM) among teens with alcohol use disorders (AUD) compared to controls, and predicted that adolescents  ...  We previously demonstrated functional magnetic resonance imaging (fMRI) response to spatial working memory (SWM) among teens with alcohol use disorders (AUD) compared to controls, and predicted that adolescents  ...  Acknowledgements This research was supported by the National Institute on Alcohol Abuse and Alcoholism grants R21 AA12519 and R01 AA13419 and National Institute on Drug Abuse grant DA15228 to S.F.  ... 
doi:10.1016/j.drugalcdep.2005.01.009 pmid:16002029 pmcid:PMC2270678 fatcat:zvv4kqotz5dvzddoqyclc7tfku

Influence of Alternate Hot and Cold Thermal Stimulation in Cortical Excitability in Healthy Adults: An fMRI Study

Sharon Chia-Ju Chen, Jau-Hong Lin, Jui-Sheng Hsu, Chiu-Ming Shih, Jui-Jen Lai, Miao-Ju Hsu
2019 Journal of Clinical Medicine  
This study examined cortical activation induced by altTS in healthy adults, focusing on motor-related areas.  ...  Stroke rehabilitation using alternate hot and cold thermal stimulation (altTS) has been reported to improve motor function in hemiplegia; however, the influence of brain excitability induced by altTS remains  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/jcm9010018 pmid:31861675 pmcid:PMC7019540 fatcat:m47qyk5gebbgzkjxjqfkc6b5oq

Abstinent adolescent marijuana users show altered fMRI response during spatial working memory

Alecia D. Schweinsburg, Bonnie J. Nagel, Brian C. Schweinsburg, Ann Park, Rebecca J. Theilmann, Susan F. Tapert
2008 Psychiatry Research : Neuroimaging  
We previously demonstrated an altered functional magnetic resonance imaging (fMRI) activity related to spatial working memory (SWM) among adolescents who were heavy users of after an average of 8 days  ...  Teens underwent biweekly urine toxicology screens to ensure abstinence for 28 days before fMRI acquisition.  ...  Meloy for their assistance with this project.  ... 
doi:10.1016/j.pscychresns.2007.04.018 pmid:18356027 pmcid:PMC2832586 fatcat:hdajnuw3hnhihnrjaqevgcupca

Spatial working memory performance and fMRI activation interaction in abstinent adolescent marijuana users

Claudia B. Padula, Alecia D. Schweinsburg, Susan F. Tapert
2007 Psychology of Addictive Behaviors  
Previous studies have suggested neural disruption and reorganization in adult marijuana users.  ...  Functional magnetic resonance imaging data were collected after 28 days' monitored abstinence as participants performed a spatial working memory task.  ...  Acknowledgements This experiment was conducted as part of an honors thesis by Claudia B. Padula at the University of California, San Diego.  ... 
doi:10.1037/0893-164x.21.4.478 pmid:18072830 pmcid:PMC2373252 fatcat:knrhxmhh6rdnxpytwxve2z4j4y
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