Jeffrey S Bedwell

Summary

Affiliation: University of Central Florida
Country: USA

Publications

  1. ncbi request reprint The effect of a red background on location backward masking by structure
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, Florida 32816 1390, USA
    Percept Psychophys 70:503-7. 2008
  2. ncbi request reprint Comparison of three computer-administered cognitive tasks as putative endophenotypes of schizophrenia
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    Schizophr Res 88:36-46. 2006
  3. doi request reprint The effect of red light on backward masking in individuals with psychometrically defined schizotypy
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    Cogn Neuropsychiatry 13:491-504. 2008
  4. ncbi request reprint Schizophrenia and red light: fMRI evidence for a novel biobehavioral marker
    Jeffrey S Bedwell
    Psychology Department, University of Central Florida, Orlando, 32816, USA
    Int J Neurosci 116:881-94. 2006
  5. ncbi request reprint Schizotypal personality disorder or prodromal symptoms of schizophrenia?
    Jeffrey S Bedwell
    Department of Psychology, P O Box 161390, University of Central Florida, Orlando, FL 32816 1390, USA
    Schizophr Res 80:263-9. 2005
  6. ncbi request reprint Functional neuroanatomy of subcomponent cognitive processes involved in verbal working memory
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, Florida 32816 1390, USA
    Int J Neurosci 115:1017-32. 2005
  7. doi request reprint The relationship between interview-based schizotypal personality dimension scores and the continuous performance test
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    Schizophr Res 108:158-62. 2009
  8. doi request reprint A potential qualitative endophenotype for schizophrenia: backward masking response to red light
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, 4000 Central Florida Blvd, Orlando, FL 32816 1390, United States
    Psychiatry Res 166:166-73. 2009
  9. doi request reprint Linguistic correlates of self in deceptive oral autobiographical narratives
    J S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    Conscious Cogn 20:547-55. 2011
  10. doi request reprint The backward masking red light effect in schizophrenia: relationship to clinical features and neurocognitive performance
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    J Abnorm Psychol 120:490-6. 2011

Detail Information

Publications25

  1. ncbi request reprint The effect of a red background on location backward masking by structure
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, Florida 32816 1390, USA
    Percept Psychophys 70:503-7. 2008
    ..23). This effect was strongest at the 47- and 60-msec stimulus onset asynchronies. Results suggest that red light primarily decreases interference from the mask in location backward masking by structure...
  2. ncbi request reprint Comparison of three computer-administered cognitive tasks as putative endophenotypes of schizophrenia
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    Schizophr Res 88:36-46. 2006
    ..Based on performance from the community-identified schizotypes, results suggest that performance on the CPT may represent a more robust endophenotype of schizophrenia, compared to the SOA and WCST...
  3. doi request reprint The effect of red light on backward masking in individuals with psychometrically defined schizotypy
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    Cogn Neuropsychiatry 13:491-504. 2008
    ..The present study examines this effect in individuals with psychometrically defined schizotypy to explore the potential of this effect to be a useful new qualitative endophenotype for schizophrenia-spectrum traits...
  4. ncbi request reprint Schizophrenia and red light: fMRI evidence for a novel biobehavioral marker
    Jeffrey S Bedwell
    Psychology Department, University of Central Florida, Orlando, 32816, USA
    Int J Neurosci 116:881-94. 2006
    ..Results provide physiological evidence that the M pathway response to red light is in the opposite direction than expected in a subset of nonpsychotic relatives of persons with schizophrenia...
  5. ncbi request reprint Schizotypal personality disorder or prodromal symptoms of schizophrenia?
    Jeffrey S Bedwell
    Department of Psychology, P O Box 161390, University of Central Florida, Orlando, FL 32816 1390, USA
    Schizophr Res 80:263-9. 2005
    ..Results suggest that the SPQ-B and Y-PARQ-B have moderate discriminate validity between the overlapping, yet distinct, constructs of schizotypal personality and heightened risk of developing psychosis (potentially prodromal)...
  6. ncbi request reprint Functional neuroanatomy of subcomponent cognitive processes involved in verbal working memory
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, Florida 32816 1390, USA
    Int J Neurosci 115:1017-32. 2005
    ..Several other brain regions showed activation limited to specific subcomponent processes...
  7. doi request reprint The relationship between interview-based schizotypal personality dimension scores and the continuous performance test
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    Schizophr Res 108:158-62. 2009
    ..Findings also add to a growing literature suggesting that Interpersonal SPD symptoms are primarily related to omission errors, while Disorganized SPD symptoms are primarily related to false alarm errors...
  8. doi request reprint A potential qualitative endophenotype for schizophrenia: backward masking response to red light
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, 4000 Central Florida Blvd, Orlando, FL 32816 1390, United States
    Psychiatry Res 166:166-73. 2009
    ..This effect is unique from most existing endophenotypes in that it represents a distinct qualitative performance pattern rather than simply poorer performance relative to a comparison group...
  9. doi request reprint Linguistic correlates of self in deceptive oral autobiographical narratives
    J S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    Conscious Cogn 20:547-55. 2011
    ..This suggests that narrative selves are constituted not as autonomous selves, but are subject to processes (e.g., psychological, linguistic, social) that are likely operating on a subconscious level...
  10. doi request reprint The backward masking red light effect in schizophrenia: relationship to clinical features and neurocognitive performance
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    J Abnorm Psychol 120:490-6. 2011
    ..In contrast, there was no relationship between the red light change score and any of the neurocognitive variables in the control group...
  11. ncbi request reprint The magnocellular visual system and schizophrenia: what can the color red tell us?
    Jeffrey S Bedwell
    Psychology Department, University of Georgia, Athens, GA 30602, USA
    Schizophr Res 63:273-84. 2003
    ..The differential effect on the two groups appears to be attributable to a difference in activity of the M pathway. Performance in the relatives was consistent with the notion of a hyperactive M pathway...
  12. doi request reprint Changes in the visual-evoked P1 potential as a function of schizotypy and background color in healthy young adults
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, 4000 Central Florida Blvd, Orlando, FL 32816 1390, USA
    J Psychiatr Res 47:542-7. 2013
    ..This can direct treatment efforts toward more homogeneous neuropathology targets...
  13. doi request reprint Social anxiety and social cognition: the influence of sex
    Scott R Sutterby
    Department of Psychology, University of Central Florida, Orlando, FL, USA
    Psychiatry Res 197:242-5. 2012
    ..These preliminary results have clinical implications in the treatment of individuals with social phobia...
  14. doi request reprint Is the odour identification deficit in schizophrenia influenced by odour hedonics?
    Vidyulata Kamath
    Department of Psychology, University of Central Florida, Orlando, USA
    Cogn Neuropsychiatry 16:448-60. 2011
    ..CONCLUSIONS. Results provide preliminary support for a specific deficit in identifying pleasant odours in patients with schizophrenia. Future studies separating odours by valence categories are warranted...
  15. ncbi request reprint Olfactory identification performance in individuals with psychometrically-defined schizotypy
    Vidyulata Kamath
    Department of Psychology, University of Central Florida, Orlando, FL 32816, USA
    Schizophr Res 100:212-5. 2008
    ..The findings may reflect either the abbreviated nature of the measures used, or a lack of reliable olfactory performance differences in schizotypy...
  16. doi request reprint The backward masking red light effect and schizotypy: the influence of sex
    Jeffrey S Bedwell
    Department of Psychology, University of Central Florida, Orlando, FL, USA
    Psychiatry Res 189:228-32. 2011
    ..The red light effect continues to show promise as a new endophenotype for schizophrenia-spectrum disorders...
  17. pmc Lack of neuropsychological deficits in generalized social phobia
    Scott R Sutterby
    Department of Psychology, University of Central Florida, Orlando, Florida, United States of America
    PLoS ONE 7:e42675. 2012
    ....
  18. ncbi request reprint Age-related decrements in performance on a brief continuous performance test
    Tanja M Mani
    Department of Psychology, University of Georgia, Athens, GA 30602 3013, USA
    Arch Clin Neuropsychol 20:575-86. 2005
    ..Overall, this study provides evidence for age-related differences in performance on a brief CPT, particularly for deficits in selective response inhibition...
  19. doi request reprint A preliminary investigation on the relationship between color-word Stroop task performance and delusion-proneness in nonpsychiatric adults
    Diana M Orem
    Department of Psychology, University of Central Florida, P O Box 161390, Orlando, FL 32816 1390, USA
    Psychiatry Res 175:27-32. 2010
    ..This finding contributes to the cognitive neurobiological understanding of delusions and adds further support for the dimensional construct of propensity for delusions...
  20. ncbi request reprint Accelerated age-related decline of visual information processing in first-degree relatives of persons with schizophrenia
    Jeffrey S Bedwell
    Psychology Department, Clinical Psychology Program, University of Georgia, Athens, GA 30602, USA
    Psychiatry Res 125:225-35. 2004
    ....
  21. ncbi request reprint Increased activation of the anterior cingulate cortex during processing of disgust faces in individuals with social phobia
    Nader Amir
    Department of Psychology, University of Georgia, Athens 30602 3013, USA
    Biol Psychiatry 57:975-81. 2005
    ..These studies have focused mostly on the activation of the amygdala. The anterior cingulate cortex (ACC) also has been implicated in processing emotional information, but its role in social phobia has not been examined...
  22. doi request reprint The magnocellular visual pathway and facial emotion misattribution errors in schizophrenia
    Jeffrey S Bedwell
    Department of Psychology, 4000 Central Florida Blvd, University of Central Florida, Orlando, FL 32816 1390, USA
    Prog Neuropsychopharmacol Biol Psychiatry 44:88-93. 2013
    ..As the ventral striatum plays a primary role in identifying anger and receives efferent input from the M-pathway, it may serve as the neuroanatomical substrate in the perception of anger...
  23. ncbi request reprint Chronic self-perceived stress and set-shifting performance in undergraduate students
    Diana M Orem
    Department of Psychology, University of Central Florida, Orlando, FL 32816 1390, USA
    Stress 11:73-8. 2008
    ..This finding adds to a growing body of work that suggests a relationship between chronic stress and executive functioning, and extends these findings to include set-shifting performance...
  24. ncbi request reprint Functional magnetic resonance imaging examination of the magnocellular visual pathway in nonpsychotic relatives of persons with schizophrenia
    Jeffrey S Bedwell
    Schizophr Res 71:509-10. 2004
  25. ncbi request reprint Abbreviated form of the test of memory malingering
    Michael David Horner
    Ralph H Johnson Department of Veterans, Affairs Medical Center and Medical University of South Carolina, Charleston, SC, USA
    Int J Neurosci 116:1181-6. 2006
    ..Trial 1 scores > or =36 indicated 99% likelihood that TOMM would be passed; Trial 1 scores < or =27 indicated 100% likelihood of failure...