Regional Cerebral Blood Flow in Schizophrenia With the Xenon-133 Inhalation Method

Ariel, Rona Notestine; Golden, Charles J.; Berg, Richard A.; Quaife, Merton A.; Dirksen, J.W.; Coffman, Jeffrey A.; Graber, Benjamin

doi:10.1097/00003072-198109001-00040

Cited by 9 publications

(14 citation statements)

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“…This explanation, however, has to be consistent with two theories: (a) schizophrenics have a left hemisphere dysfunction [e.g. [22][23][24] and (b) negative emotion materials are processed by the right hemisphere more than positive or neutral materials [25,26]. At this stage of knowledge, neither the psychological nor the biological explanation can be excluded.…”

Section: Discussionmentioning

confidence: 98%

Affect and Memory in Schizophrenia: Negative Emotion Words Are Forgotten Less Rapidly than Other Words by Long-Hospitalized Schizophrenics

Calev

Edelist²

1993

Psychopathology

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The objective of this study was to investigate the effect of emotion on the rate of forgetting by long-hospitalized schizophrenics. Neutral, positive and negative emotion word lists were read by long-hospitalized schizophrenic and normal control subjects. Subjects were tested for recall immediately and after a delay of about 48 h. The results showed that long-hospitalized schizophrenics: (1) remembered less information; (2) forgot rapidly over time and (3) the negative emotion list was forgotten less rapidly by schizophrenics than the positive emotion list. These findings cannot be explained by differences in discriminating power of tasks, primacy and recency effects in recall, drug status, age, sex or intelligence. The conclusions drawn were that long-hospitalized schizophrenics are characterized by the rapid forgetting of verbal materials, and negative emotion materials are forgotten less rapidly by schizophrenics than other materials. Organic and psychological factors may interact in producing these effects in long-stay but not in short-stay patients.

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Section: Discussionmentioning

confidence: 98%

Affect and Memory in Schizophrenia: Negative Emotion Words Are Forgotten Less Rapidly than Other Words by Long-Hospitalized Schizophrenics

Calev

Edelist²

1993

Psychopathology

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“…Reduction in the anteroposterior gradient in CBF, initially reported by Ingvar and Franzen [6,7] and Franzen and Ingvar [8,9] is the one finding that has received most research attention. This finding was subsequently replicated by several investigators [5,[10][11][12][13][14][15][16] but not by several others [4,[17][18][19][20][21][22], A number of factors may have contributed to this inconsistency [5]. CBF is influenced by several non specific factors, which tend to blur comparisons between patients and controls [23][24][25].…”

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confidence: 87%

Changes in Cerebral Blood Flow and Mental State after Amphetamine Challenge in Schizophrenic Patients

Mathew

Wilson²

1989

Neuropsychobiology

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Changes in regional cerebral blood flow and behavioral and physiological indices were monitored after intravenous administration of d-amphetamine sulfate and placebo in groups of patients with schizophrenia and normal volunteers. Amphetamine administration was associated with decreased anxiety, emotional withdrawal, depressed mood, blunted affect and increased excitement in the patients. Subjects who received amphetamine showed significant increases in systolic and diastolic blood pressure and reduction in end-tidal carbon dioxide. Post-amphetamine cerebral blood flow was decreased equally in both patients and controls. The blood flow change, however, did not show any regional variations.

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“…An apparent frontal dysfunction was confirmed by later rCBF and PET studies even in young schizophrenics (Buchsbaum et al, 1982(Buchsbaum et al, , 1984aAriel et al, 1983;Farkas et al, 1984;DeLisi et al, 1985;Wolkin et al, 1985). An apparent frontal dysfunction was confirmed by later rCBF and PET studies even in young schizophrenics (Buchsbaum et al, 1982(Buchsbaum et al, , 1984aAriel et al, 1983;Farkas et al, 1984;DeLisi et al, 1985;Wolkin et al, 1985).…”

Section: B Schizophreniamentioning

confidence: 92%

Neuroimaging

Fuster

2015

The Prefrontal Cortex

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Regional Cerebral Blood Flow in Schizophrenia With the Xenon-133 Inhalation Method

Cited by 9 publications

References 0 publications

Affect and Memory in Schizophrenia: Negative Emotion Words Are Forgotten Less Rapidly than Other Words by Long-Hospitalized Schizophrenics

Affect and Memory in Schizophrenia: Negative Emotion Words Are Forgotten Less Rapidly than Other Words by Long-Hospitalized Schizophrenics

Changes in Cerebral Blood Flow and Mental State after Amphetamine Challenge in Schizophrenic Patients

Neuroimaging

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