Reduced facilitation effect of collinear flankers on contrast detection reveals impaired lateral connectivity in the visual cortex of schizophrenia patients

Neuroscience Letters

Volumn 357, Issue 2, 2004, Pages 131-134

  Must, Anita ^a   Janka, Zoltán ^a   Benedek, György ^b   Kéri, Szabolcs ^a,b  

^a UNIVERSITY OF SZEGED   (Hungary)

^b UNIVERSITY OF SZEGED   (Hungary)

Author keywords

Gabor patches; Lateral connections; Luminance contrast; Schizophrenia; Vision

Indexed keywords

ADULT; ARTICLE; BRAIN FUNCTION; CLINICAL ARTICLE; CONTRAST SENSITIVITY; CONTROLLED STUDY; CORRELATION ANALYSIS; FACILITATION; FEMALE; HUMAN; MALE; NEGATIVE SYNDROME; POSITIVE SYNDROME; PRIORITY JOURNAL; SCHIZOPHRENIA; TASK PERFORMANCE; VISION TEST; VISUAL CORTEX; VISUAL STIMULATION;

EID: 1242292292     PISSN: 03043940     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.neulet.2003.12.046     Document Type: Article

References (20)

1. DSM-IV: Diagnostic and Statistical Manual of Mental Disorders, fourth ed. 1994;American Psychiatric Association, Washington, DC.
2. Andreasen N.C. Scale for the Assessment of Positive Symptoms (SAPS). 1984;University of Iowa College of Medicine, Iowa City, IO.
3. Andreasen N.C. Scale for the Assessment of Negative Symptoms (SANS). 1984;University of Iowa College of Medicine, Iowa City, IO.
4. Cox M.D., Leventhal D.B. A multivariate analysis and modification of a preattentive, perceptual dysfunction in schizophrenia. J. Nerv. Ment. Dis. 166:1978;709-718.
5. Danos P., Guich S., Abel L., Buchsbaum M.S. EEG alpha rhythm and glucose metabolic rate in the thalamus in schizophrenia. Neuropsychobiology. 43:2001;265-272.
6. Donohoe G., Robertson I.H. Can specific deficits in executive functioning explain the negative symptoms of schizophrenia? A review. Neurocase. 9:2003;97-108.
7. Freeman E., Sagi D., Driver J. Lateral interactions between targets and flankers in low-level vision depend on attention to the flankers. Nat. Neurosci. 4:2001;1032-1036.
8. Friston K.J. The disconnection hypothesis. Schizophr. Res. 30:1998;115-125.
9. Kapadia M.K., Ito M., Gilbert C.D., Westheimer G. Improvement in visual sensitivity by changes in local context: parallel studies in human observers and in V1 of alert monkeys. Neuron. 15:1995;843-856.
10. Levitt H. Transformed up-down methods in psychoacoustics. J. Acoust. Soc. Am., 49 (suppl. 2:1971;466-467.
11. Nuechterlein K.H., Edell W.S., Norris M., Dawson M.E. Attentional vulnerability indicators, thought disorder, and negative symptoms. Schizophr. Bull. 12:1986;408-426.
12. Polat U., Sagi D. Lateral interactions between spatial channels: suppression and facilitation revealed by lateral masking experiments. Vision Res. 33:1993;993-999.
13. Ringach D.L. Spatial structure and symmetry of simple-cell receptive fields in macaque primary visual cortex. J. Neurophysiol. 88:2002;455-463.
14. Selemon L.D. Regionally diverse cortical pathology in schizophrenia: clues to the etiology of the disease. Schizophr. Bull. 27:2001;349-377.
15. Selemon L.D., Mrzljak J., Kleinman J.E., Herman M.M., Goldman-Rakic P.S. Regional specificity in the neuropathologic substrates of schizophrenia: a morphometric analysis of Broca's area 44 and area 9. Arch. Gen. Psychiatry. 60:2003;69-77.
16. Sheehan D.V., Lecrubier Y., Sheehan K.H., Amorim P., Janavs J., Weiller E., Hergueta T., Baker R., Dunbar G.C. The Mini-International Neuropsychiatric Interview (M.I.N.I.): the development and validation of a structured diagnostic psychiatric interview for DSM-IV and ICD-10. J. Clin. Psychiatry, 59 (suppl. 20:1998;22-33.
17. Silverstein S.M., Kovács I., Corry R., Valone C. Perceptual organization, the disorganization syndrome, and context processing in chronic schizophrenia. Schizophr. Res. 43:2000;11-20.
18. Slaghuis W.L. Contrast sensitivity for stationary and drifting spatial frequency gratings in positive- and negative-symptom schizophrenia. J. Abnorm. Psychol. 107:1998;49-62.
19. Taylor S.F., Tandon R., Koeppe R.A. PET study of greater visual activation in schizophrenia. Am. J. Psychiatry. 154:1997;1296-1298.
20. Wechsler D. Wechsler Adult Intelligence Scale - Revised Manual. 1981;Psychological Corporation, New York.