Robert S Astur

Summary

Affiliation: Yale University
Country: USA

Publications

  1. ncbi request reprint Humans with hippocampus damage display severe spatial memory impairments in a virtual Morris water task
    Robert S Astur
    Department of Diagnostic Radiology, Yale University, P O Box 208042, 330 Cedar Street, New Haven, CT 06520 8042, USA
    Behav Brain Res 132:77-84. 2002
  2. ncbi request reprint A role for olfaction in object recognition by normal and hippocampal-damaged rats
    Robert S Astur
    Department of Diagnostic Radiology, Yale University, New Haven, Connecticut 06520, USA
    Neurobiol Learn Mem 78:186-91. 2002
  3. ncbi request reprint Hippocampal dampening during a relational memory task
    Robert S Astur
    Department of Diagnostic Radiology, Yale University, New Haven, CT 06106, USA
    Behav Neurosci 118:667-75. 2004
  4. ncbi request reprint Men and women differ in object memory but not performance of a virtual radial maze
    Lauren J Levy
    Department of Psychology, Yale University, New Haven, CT 06520, USA
    Behav Neurosci 119:853-62. 2005
  5. ncbi request reprint fMRI hippocampal activity during a virtual radial arm maze
    Robert S Astur
    Olin Neuropsychiatry Research Center, Institute of Living, 200 Retreat Avenue, Hartford, Connecticut 06106, USA
    Appl Psychophysiol Biofeedback 30:307-17. 2005
  6. ncbi request reprint Sex differences and correlations in a virtual Morris water task, a virtual radial arm maze, and mental rotation
    Robert S Astur
    Department of Diagnostic Radiology, Yale University, New Haven, CT 06520, USA
    Behav Brain Res 151:103-15. 2004
  7. ncbi request reprint Sex differences in visual-spatial learning using a virtual water maze in pre-pubertal children
    Paul Newhouse
    Clinical Neuroscience Research Unit, Department of Psychiatry, University of Vermont College of Medicine, 1 South Prospect St, Burlington, VT, United States
    Behav Brain Res 183:1-7. 2007
  8. pmc A virtual reality apartment as a measure of medication management skills in patients with schizophrenia: a pilot study
    Matthew M Kurtz
    Schizophrenia Rehabilitation Program, Institute of Living, 200 Retreat Avenue, Hartford, CT 06106, USA
    Schizophr Bull 33:1162-70. 2007
  9. ncbi request reprint Hippocampus function predicts severity of post-traumatic stress disorder
    Robert S Astur
    Olin Neuropsychiatry Research Center, Institute of Living, Hartford, Connecticut 06106, USA
    Cyberpsychol Behav 9:234-40. 2006
  10. ncbi request reprint A functional magnetic resonance imaging study of working memory abnormalities in schizophrenia
    Matthew R Johnson
    Olin Neuropsychiatry Research Center, The Institute of Living at Hartford Hospital, Hartford, CT, USA
    Biol Psychiatry 60:11-21. 2006

Detail Information

Publications15

  1. ncbi request reprint Humans with hippocampus damage display severe spatial memory impairments in a virtual Morris water task
    Robert S Astur
    Department of Diagnostic Radiology, Yale University, P O Box 208042, 330 Cedar Street, New Haven, CT 06520 8042, USA
    Behav Brain Res 132:77-84. 2002
    ..Hence, it is apparent across species and irrespective of which hemisphere is damaged that the human HPC is critical for spatial/relational memory...
  2. ncbi request reprint A role for olfaction in object recognition by normal and hippocampal-damaged rats
    Robert S Astur
    Department of Diagnostic Radiology, Yale University, New Haven, Connecticut 06520, USA
    Neurobiol Learn Mem 78:186-91. 2002
    ..There was no difference in performance between the rats with hippocampus damage and the sham rats, and this is consistent with the literature on similar tasks...
  3. ncbi request reprint Hippocampal dampening during a relational memory task
    Robert S Astur
    Department of Diagnostic Radiology, Yale University, New Haven, CT 06106, USA
    Behav Neurosci 118:667-75. 2004
    ....
  4. ncbi request reprint Men and women differ in object memory but not performance of a virtual radial maze
    Lauren J Levy
    Department of Psychology, Yale University, New Haven, CT 06520, USA
    Behav Neurosci 119:853-62. 2005
    ..Because arms in the radial maze may become associated with specific extramaze cues, the superior object memory demonstrated by women may have eliminated the typical male advantage found in spatial navigation tasks...
  5. ncbi request reprint fMRI hippocampal activity during a virtual radial arm maze
    Robert S Astur
    Olin Neuropsychiatry Research Center, Institute of Living, 200 Retreat Avenue, Hartford, Connecticut 06106, USA
    Appl Psychophysiol Biofeedback 30:307-17. 2005
    ..Hence, this virtual reality version may be used to assess the integrity of hippocampus so as to predict risk or severity in a variety of psychiatric disorders...
  6. ncbi request reprint Sex differences and correlations in a virtual Morris water task, a virtual radial arm maze, and mental rotation
    Robert S Astur
    Department of Diagnostic Radiology, Yale University, New Haven, CT 06520, USA
    Behav Brain Res 151:103-15. 2004
    ..This suggests that caution should be taken when utilizing these two tasks interchangeable as tests of spatial memory...
  7. ncbi request reprint Sex differences in visual-spatial learning using a virtual water maze in pre-pubertal children
    Paul Newhouse
    Clinical Neuroscience Research Unit, Department of Psychiatry, University of Vermont College of Medicine, 1 South Prospect St, Burlington, VT, United States
    Behav Brain Res 183:1-7. 2007
    ..Rather, these differences may reflect early-life hormonal effects on hippocampal-dependent processes and may suggest different preferential learning strategies by boys and girls...
  8. pmc A virtual reality apartment as a measure of medication management skills in patients with schizophrenia: a pilot study
    Matthew M Kurtz
    Schizophrenia Rehabilitation Program, Institute of Living, 200 Retreat Avenue, Hartford, CT 06106, USA
    Schizophr Bull 33:1162-70. 2007
    ..This is the first study, to our knowledge, to provide evidence for the utility of VR technology in the assessment of instrumental role functioning in patients with schizophrenia...
  9. ncbi request reprint Hippocampus function predicts severity of post-traumatic stress disorder
    Robert S Astur
    Olin Neuropsychiatry Research Center, Institute of Living, Hartford, Connecticut 06106, USA
    Cyberpsychol Behav 9:234-40. 2006
    ..Hence, PTSD severity is predicted by functionally assessing the hippocampus using the virtual Morris water task, suggesting that this task may be used to identify those at risk for developing PTSD following a trauma...
  10. ncbi request reprint A functional magnetic resonance imaging study of working memory abnormalities in schizophrenia
    Matthew R Johnson
    Olin Neuropsychiatry Research Center, The Institute of Living at Hartford Hospital, Hartford, CT, USA
    Biol Psychiatry 60:11-21. 2006
    ..We examined neural function changes at several WM loads to derive a more complete picture of WM dysfunction in schizophrenia...
  11. ncbi request reprint Exploration of virtual mazes by rhesus monkeys (Macaca mulatta)
    David A Washburn
    Department of Psychology, Georgia State University, Atlanta, GA 30303, USA
    Anim Cogn 6:161-8. 2003
    ..The search pattern within the maze for these animals resembled the pattern of maze navigation observed for monkeys that were tested on more traditional two-dimensional computerized mazes...
  12. ncbi request reprint Selective cognitive impairments associated with NMDA receptor blockade in humans
    Laura M Rowland
    Maryland Psychiatric Research Center, University of Maryland School of Medicine, Baltimore, MD 21228, USA
    Neuropsychopharmacology 30:633-9. 2005
    ..Impaired cognition is a core feature of schizophrenia. A better understanding of NMDA antagonism, its physiological and cognitive consequences, may provide improved models of psychosis and cognitive therapeutics...
  13. ncbi request reprint Factors affecting the hippocampal BOLD response during spatial memory
    Seth L Shipman
    Olin Neuropsychiatry Research Center, Institute of Living, 200 Retreat Avenue, Hartford, CT, USA
    Behav Brain Res 187:433-41. 2008
    ..Furthermore, they substantiate previous results reporting hippocampal BOLD increases during fixation...
  14. ncbi request reprint Virtual reality assessment of medication compliance in patients with schizophrenia
    Elizabeth K Baker
    Olin Neuropsychiatry Research Center, Institute of Living, Hartford, Connecticut 06106, USA
    Cyberpsychol Behav 9:224-9. 2006
    ..Correlations between the data may suggest a convergent validity for this new VR task. Future research will investigate the validity of this task in predicting additional measures of psychosocial functioning...
  15. ncbi request reprint Simulated driving and brain imaging: combining behavior, brain activity, and virtual reality
    Kara N Carvalho
    Trinity University, Hartford, CT 06106, USA
    CNS Spectr 11:52-62. 2006
    ..Various clinical questions can be addressed, including both the role of alcohol as a modulator of brain function and regional brain activation related to elements of driving...