Neural response to emotional salience in schizophrenia

Stephan F. Taylor, K. Luan Phan, Jennifer C Britton, Israel Liberzon

Research output: Contribution to journalArticle

109 Citations (Scopus)

Abstract

Neuroimaging probes of brain regions implicated in emotion represent an important research strategy for understanding emotional dysfunction in schizophrenia. Anterior limbic structures, such as the ventral striatum and the amygdala, have been implicated in the pathophysiology of schizophrenia and the generation of emotional responses, although few studies to date have used emotion probes to target these areas in schizophrenia. With this goal in mind, emotionally salient visual images were used in a simple, nondemanding task. In all, 13 medicated, schizophrenic patients, five unmedicated patients, and 10 healthy volunteers viewed complex visual pictures and a nonsalient, blank screen while regional cerebral blood flow was measured with the [O-15] water technique. Pictures consisted of real world scenes with aversive, positive, and nonaversive content. Eye movements were recorded simultaneous with scan acquisition. Positron emission tomography images were analyzed for baseline, tonic activity, in addition to phasic changes ('activation') to salient stimuli. Lateral eye movement measures and on-line ratings showed good behavioral compliance with the task. Patients with schizophrenia showed impaired neural responses to salient stimuli in the right ventral striatum (VS), and they exhibited elevated tonic activity levels in the right VS and bilateral amygdala, inversely correlated with overall symptom severity. The patients also showed reduced modulation of visual cortex by salient stimuli. The results show that patients with schizophrenia exhibit impaired neural responses to emotionally salient stimuli in the VS, supporting a role for this structure in the pathophysiology of the illness. Reduced modulation of visual cortex by emotionally salient stimuli also suggests a failure to organize cerebral activity at a global level.

Original languageEnglish
Pages (from-to)984-995
Number of pages12
JournalNeuropsychopharmacology
Volume30
Issue number5
DOIs
StatePublished - May 1 2005
Externally publishedYes

Fingerprint

Schizophrenia
Visual Cortex
Eye Movements
Amygdala
Cerebrovascular Circulation
Emotions
Regional Blood Flow
Neuroimaging
Positron-Emission Tomography
Healthy Volunteers
Ventral Striatum
Water
Brain
Research

Keywords

  • Amygdala
  • Emission-computed tomography
  • Emotion
  • Psychophysiology
  • Schizophrenia
  • Visual cortex

ASJC Scopus subject areas

  • Pharmacology

Cite this

Neural response to emotional salience in schizophrenia. / Taylor, Stephan F.; Phan, K. Luan; Britton, Jennifer C; Liberzon, Israel.

In: Neuropsychopharmacology, Vol. 30, No. 5, 01.05.2005, p. 984-995.

Research output: Contribution to journalArticle

Taylor, Stephan F. ; Phan, K. Luan ; Britton, Jennifer C ; Liberzon, Israel. / Neural response to emotional salience in schizophrenia. In: Neuropsychopharmacology. 2005 ; Vol. 30, No. 5. pp. 984-995.
@article{4a584d430e74451f85188ac0069a8d84,
title = "Neural response to emotional salience in schizophrenia",
abstract = "Neuroimaging probes of brain regions implicated in emotion represent an important research strategy for understanding emotional dysfunction in schizophrenia. Anterior limbic structures, such as the ventral striatum and the amygdala, have been implicated in the pathophysiology of schizophrenia and the generation of emotional responses, although few studies to date have used emotion probes to target these areas in schizophrenia. With this goal in mind, emotionally salient visual images were used in a simple, nondemanding task. In all, 13 medicated, schizophrenic patients, five unmedicated patients, and 10 healthy volunteers viewed complex visual pictures and a nonsalient, blank screen while regional cerebral blood flow was measured with the [O-15] water technique. Pictures consisted of real world scenes with aversive, positive, and nonaversive content. Eye movements were recorded simultaneous with scan acquisition. Positron emission tomography images were analyzed for baseline, tonic activity, in addition to phasic changes ('activation') to salient stimuli. Lateral eye movement measures and on-line ratings showed good behavioral compliance with the task. Patients with schizophrenia showed impaired neural responses to salient stimuli in the right ventral striatum (VS), and they exhibited elevated tonic activity levels in the right VS and bilateral amygdala, inversely correlated with overall symptom severity. The patients also showed reduced modulation of visual cortex by salient stimuli. The results show that patients with schizophrenia exhibit impaired neural responses to emotionally salient stimuli in the VS, supporting a role for this structure in the pathophysiology of the illness. Reduced modulation of visual cortex by emotionally salient stimuli also suggests a failure to organize cerebral activity at a global level.",
keywords = "Amygdala, Emission-computed tomography, Emotion, Psychophysiology, Schizophrenia, Visual cortex",
author = "Taylor, {Stephan F.} and Phan, {K. Luan} and Britton, {Jennifer C} and Israel Liberzon",
year = "2005",
month = "5",
day = "1",
doi = "10.1038/sj.npp.1300679",
language = "English",
volume = "30",
pages = "984--995",
journal = "Neuropsychopharmacology",
issn = "0893-133X",
publisher = "Nature Publishing Group",
number = "5",

}

TY - JOUR

T1 - Neural response to emotional salience in schizophrenia

AU - Taylor, Stephan F.

AU - Phan, K. Luan

AU - Britton, Jennifer C

AU - Liberzon, Israel

PY - 2005/5/1

Y1 - 2005/5/1

N2 - Neuroimaging probes of brain regions implicated in emotion represent an important research strategy for understanding emotional dysfunction in schizophrenia. Anterior limbic structures, such as the ventral striatum and the amygdala, have been implicated in the pathophysiology of schizophrenia and the generation of emotional responses, although few studies to date have used emotion probes to target these areas in schizophrenia. With this goal in mind, emotionally salient visual images were used in a simple, nondemanding task. In all, 13 medicated, schizophrenic patients, five unmedicated patients, and 10 healthy volunteers viewed complex visual pictures and a nonsalient, blank screen while regional cerebral blood flow was measured with the [O-15] water technique. Pictures consisted of real world scenes with aversive, positive, and nonaversive content. Eye movements were recorded simultaneous with scan acquisition. Positron emission tomography images were analyzed for baseline, tonic activity, in addition to phasic changes ('activation') to salient stimuli. Lateral eye movement measures and on-line ratings showed good behavioral compliance with the task. Patients with schizophrenia showed impaired neural responses to salient stimuli in the right ventral striatum (VS), and they exhibited elevated tonic activity levels in the right VS and bilateral amygdala, inversely correlated with overall symptom severity. The patients also showed reduced modulation of visual cortex by salient stimuli. The results show that patients with schizophrenia exhibit impaired neural responses to emotionally salient stimuli in the VS, supporting a role for this structure in the pathophysiology of the illness. Reduced modulation of visual cortex by emotionally salient stimuli also suggests a failure to organize cerebral activity at a global level.

AB - Neuroimaging probes of brain regions implicated in emotion represent an important research strategy for understanding emotional dysfunction in schizophrenia. Anterior limbic structures, such as the ventral striatum and the amygdala, have been implicated in the pathophysiology of schizophrenia and the generation of emotional responses, although few studies to date have used emotion probes to target these areas in schizophrenia. With this goal in mind, emotionally salient visual images were used in a simple, nondemanding task. In all, 13 medicated, schizophrenic patients, five unmedicated patients, and 10 healthy volunteers viewed complex visual pictures and a nonsalient, blank screen while regional cerebral blood flow was measured with the [O-15] water technique. Pictures consisted of real world scenes with aversive, positive, and nonaversive content. Eye movements were recorded simultaneous with scan acquisition. Positron emission tomography images were analyzed for baseline, tonic activity, in addition to phasic changes ('activation') to salient stimuli. Lateral eye movement measures and on-line ratings showed good behavioral compliance with the task. Patients with schizophrenia showed impaired neural responses to salient stimuli in the right ventral striatum (VS), and they exhibited elevated tonic activity levels in the right VS and bilateral amygdala, inversely correlated with overall symptom severity. The patients also showed reduced modulation of visual cortex by salient stimuli. The results show that patients with schizophrenia exhibit impaired neural responses to emotionally salient stimuli in the VS, supporting a role for this structure in the pathophysiology of the illness. Reduced modulation of visual cortex by emotionally salient stimuli also suggests a failure to organize cerebral activity at a global level.

KW - Amygdala

KW - Emission-computed tomography

KW - Emotion

KW - Psychophysiology

KW - Schizophrenia

KW - Visual cortex

UR - http://www.scopus.com/inward/record.url?scp=17644367820&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=17644367820&partnerID=8YFLogxK

U2 - 10.1038/sj.npp.1300679

DO - 10.1038/sj.npp.1300679

M3 - Article

VL - 30

SP - 984

EP - 995

JO - Neuropsychopharmacology

JF - Neuropsychopharmacology

SN - 0893-133X

IS - 5

ER -