S Keri

Summary

Publications

  1. pmc Falling out of time: enhanced memory for scenes presented at behaviorally irrelevant points in time in posttraumatic stress disorder (PTSD)
    Einat Levy-Gigi
    Rutgers University, Center for Molecular and Behavioral Neuroscience, Newark, New Jersey, United States of America
    PLoS ONE 7:e42502. 2012
  2. doi request reprint How does the hippocampal formation mediate memory for stimuli processed by the magnocellular and parvocellular visual pathways? Evidence from the comparison of schizophrenia and amnestic mild cognitive impairment (aMCI)
    Szabolcs Keri
    National Psychiatry Center, Budapest, Hungary University of Szeged, Faculty of Medicine, Department of Physiology, Dom sq 10, Szeged, Hungary
    Neuropsychologia 50:3193-9. 2012
  3. doi request reprint Why is vision impaired in fragile X premutation carriers? The role of fragile X mental retardation protein and potential FMR1 mRNA toxicity
    S Keri
    University of Szeged, Department of Physiology, Szeged, Hungary
    Neuroscience 206:183-9. 2012
  4. ncbi request reprint Risk and protective haplotypes of the alpha-synuclein gene associated with Parkinson's disease differentially affect cognitive sequence learning
    S Keri
    Department of Psychiatry and Psychotherapy, Semmelweis University, Budapest, Hungary
    Genes Brain Behav 7:31-6. 2008
  5. ncbi request reprint Remitted schizophrenia-spectrum patients with spared working memory show information processing abnormalities
    S Keri
    University of Szeged, Department of Psychiatry, Hungary
    Eur Arch Psychiatry Clin Neurosci 251:60-5. 2001
  6. ncbi request reprint Different trait markers for schizophrenia and bipolar disorder: a neurocognitive approach
    S Keri
    Department of Psychiatry, University of Szeged, Hungary
    Psychol Med 31:915-22. 2001
  7. ncbi request reprint Early visual impairment is independent of the visuocognitive and memory disturbances in Alzheimer's disease
    S Keri
    Department of Psychiatry, Albert Szent Gyorgyi Medical University, Szeged, Hungary
    Vision Res 39:2261-5. 1999
  8. ncbi request reprint Abstraction is impaired at the perceptual level in schizophrenic patients
    S Keri
    Department of Psychiatry, Albert Szent Gyorgyi Medical University, Szeged, Hungary
    Neurosci Lett 243:93-6. 1998
  9. ncbi request reprint Classification learning in Alzheimer's disease
    S Keri
    Department of Psychiatry, Albert Szent Gyorgyi Medical University, Szeged, Hungary
    Brain 122:1063-8. 1999
  10. ncbi request reprint Intact prototype learning in schizophrenia
    S Keri
    University of Szeged, Department of Psychiatry, 6725 Semmelweis u 6, Szeged, Hungary
    Schizophr Res 52:261-4. 2001

Detail Information

Publications22

  1. pmc Falling out of time: enhanced memory for scenes presented at behaviorally irrelevant points in time in posttraumatic stress disorder (PTSD)
    Einat Levy-Gigi
    Rutgers University, Center for Molecular and Behavioral Neuroscience, Newark, New Jersey, United States of America
    PLoS ONE 7:e42502. 2012
    ..These results suggest that abnormal encoding of visual scenes at behaviorally irrelevant events might be associated with intrusive experiences by disrupting the flow of time...
  2. doi request reprint How does the hippocampal formation mediate memory for stimuli processed by the magnocellular and parvocellular visual pathways? Evidence from the comparison of schizophrenia and amnestic mild cognitive impairment (aMCI)
    Szabolcs Keri
    National Psychiatry Center, Budapest, Hungary University of Szeged, Faculty of Medicine, Department of Physiology, Dom sq 10, Szeged, Hungary
    Neuropsychologia 50:3193-9. 2012
    ..These results suggest an interaction between M-biased perceptual processing and short-term relational memory in schizophrenia, which may be associated with the structural alteration of the right hippocampus...
  3. doi request reprint Why is vision impaired in fragile X premutation carriers? The role of fragile X mental retardation protein and potential FMR1 mRNA toxicity
    S Keri
    University of Szeged, Department of Physiology, Szeged, Hungary
    Neuroscience 206:183-9. 2012
    ..Here, we showed that FMRP may the primary factor associated with visual dysfunctions...
  4. ncbi request reprint Risk and protective haplotypes of the alpha-synuclein gene associated with Parkinson's disease differentially affect cognitive sequence learning
    S Keri
    Department of Psychiatry and Psychotherapy, Semmelweis University, Budapest, Hungary
    Genes Brain Behav 7:31-6. 2008
    ....
  5. ncbi request reprint Remitted schizophrenia-spectrum patients with spared working memory show information processing abnormalities
    S Keri
    University of Szeged, Department of Psychiatry, Hungary
    Eur Arch Psychiatry Clin Neurosci 251:60-5. 2001
    ..These results suggest that the BM dysfunction is a trait marker of schizophrenia-spectrum disorders and may be present in the absence of working memory abnormalities...
  6. ncbi request reprint Different trait markers for schizophrenia and bipolar disorder: a neurocognitive approach
    S Keri
    Department of Psychiatry, University of Szeged, Hungary
    Psychol Med 31:915-22. 2001
    ..The aim of this study was to assess visual information processing and cognitive functions in unaffected siblings of patients with schizophrenia, bipolar disorder and control subjects with a negative family history...
  7. ncbi request reprint Early visual impairment is independent of the visuocognitive and memory disturbances in Alzheimer's disease
    S Keri
    Department of Psychiatry, Albert Szent Gyorgyi Medical University, Szeged, Hungary
    Vision Res 39:2261-5. 1999
    ..There was no significant correlation between the CS and the memory disturbances. The results suggest that early visual impairment and higher-level cognitive disturbances are independent in AD...
  8. ncbi request reprint Abstraction is impaired at the perceptual level in schizophrenic patients
    S Keri
    Department of Psychiatry, Albert Szent Gyorgyi Medical University, Szeged, Hungary
    Neurosci Lett 243:93-6. 1998
    ..These findings suggest that the perceptual learning of categories, but not free classification judgements are impaired in schizophrenia, and that this impairment is not due to pure attentional disturbances...
  9. ncbi request reprint Classification learning in Alzheimer's disease
    S Keri
    Department of Psychiatry, Albert Szent Gyorgyi Medical University, Szeged, Hungary
    Brain 122:1063-8. 1999
    ..This was selective for the prototype stimuli; the categorization of non-prototype dot patterns was spared. The impaired category learning is likely to reflect the damage of modality-specific neocortical areas in Alzheimer's disease...
  10. ncbi request reprint Intact prototype learning in schizophrenia
    S Keri
    University of Szeged, Department of Psychiatry, 6725 Semmelweis u 6, Szeged, Hungary
    Schizophr Res 52:261-4. 2001
    ..These findings are against the hypothesis of a pure generalized cognitive dysfunction in schizophrenia, providing preliminary evidence for intact neocortical mechanisms related to perceptual classification functions...
  11. ncbi request reprint P300 component of visual event-related potentials distinguishes patients with idiopathic parkinson's disease from patients with essential tremor
    A Antal
    Department of Physiology, Albert Szent Gyorgyi Medical University, Szeged, Hungary
    J Neural Transm (Vienna) 107:787-97. 2000
    ..The primary visual evoked potential (P100) did not distinguish among the IPD, ET, and control subjects. These results suggest that visual ERPs might provide a useful diagnostic method for differentiating IPD from ET...
  12. ncbi request reprint Early and late components of visual categorization: an event-related potential study
    A Antal
    Department of Physiology, Albert Szent Gyorgyi Medical University, POB 1192, H 6720, Szeged, Hungary
    Brain Res Cogn Brain Res 9:117-9. 2000
    ..In the DT, spatial frequency gratings evoked only a short-duration difference N1 at the frontal sites. Our results suggest that N1 may be related to higher-level categorization processes...
  13. ncbi request reprint Visual information processing in patients with schizophrenia: evidence for the impairment of central mechanisms
    S Keri
    Department of Psychiatry, University of Szeged, Hungary
    Neurosci Lett 293:69-71. 2000
    ..Instead, deficient cortical interactions of rapidly changing environmental signals may be involved...
  14. ncbi request reprint Patients with schizophreniform disorder use verbal descriptions for the representation of visual categories
    S Keri
    Department of Psychiatry and Physiology, University of Szeged, Szeged, Hungary
    Psychol Med 34:247-53. 2004
    ..In this study, we investigated whether remitted patients with schizophreniform disorder exhibited dysfunctions in specific cognitive tasks...
  15. ncbi request reprint Event-related potentials from a visual categorization task
    A Antal
    Department of Physiology, University of Szeged, Faculty of Medicine, POB 427, H 6720, Szeged, Hungary
    Brain Res Brain Res Protoc 7:131-6. 2001
    ..Our work provides an inexpensive noninvasive method to study both early perceptual and late phases of semantic information processing by recording ERPs during the categorization of natural scenes...
  16. ncbi request reprint Are Alzheimer's disease patients able to learn visual prototypes?
    S Keri
    Department of Psychiatry, University of Szeged, Semmelweis u 6, 6725, Szeged, Hungary
    Neuropsychologia 39:1218-23. 2001
    ....
  17. doi request reprint ZNF804A may be associated with executive control of attention
    Z Balog
    Department of Physiology, University of Szeged, Faculty of Medicine, Szeged National Psychiatry Center, Balassa u 6, Budapest, Hungary
    Genes Brain Behav 10:223-7. 2011
    ..These results suggest that the genome-wide supported psychosis risk variant of ZNF804A is associated with altered executive control (larger conflict effect), which is a potential endophenotype of psychotic disorders...
  18. doi request reprint Fragile X protein expression is linked to visual functions in healthy male volunteers
    S Keri
    Department of Physiology, University of Szeged, Szeged, Hungary National Psychiatry Center, Budapest, Hungary
    Neuroscience 192:345-50. 2011
    ..These results suggest that healthy persons with lower peripheral FMRP expression display a visual phenotype similar to that described in patients with FXS...
  19. doi request reprint Effects of moderate hypobaric hypoxia on evoked categorical visuocognitive responses
    N Tsarouchas
    Department of Medical Physics, University of Patras, School of Medicine, Patras, Greece
    Clin Neurophysiol 119:1475-85. 2008
    ..Aim of the current study is to provide electrophysiological evidence about the effects of moderate hypobaric hypoxia on human visual cognition...
  20. ncbi request reprint Critical evaluation of cognitive dysfunctions as endophenotypes of schizophrenia
    S Keri
    Department of Psychiatry, University of Szeged, Szeged, Hungary
    Acta Psychiatr Scand 110:83-91. 2004
    ..The aim of this study was to investigate whether recent evidence indeed suggests that cognitive dysfunctions are potent indicators of specific genetic traits that represent susceptibility for schizophrenia...
  21. ncbi request reprint Dopaminergic contributions to the visual categorization of natural scenes: evidence from Parkinson's disease
    A Antal
    Department of Physiology, University of Szeged, Szeged, Hungary
    J Neural Transm (Vienna) 110:757-70. 2003
    ..These findings are in agreement with the hypothesis emphasizing the importance of striatal dopaminergic mechanisms in classification functions...
  22. doi request reprint Low-grade inflammation disrupts structural plasticity in the human brain
    C Szabo
    University of Szeged, Faculty of Medicine, Department of Physiology, Szeged, Hungary Nyírő Gyula Hospital National Institute of Psychiatry and Addictions, Budapest, Hungary
    Neuroscience 275:81-8. 2014
    ..These results suggest that more intensive peripheral inflammation is associated with weaker neuronal plasticity during cognitive training...