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Related Concept Videos

Negative and Cognitive Symptoms of Schizophrenia01:30

Negative and Cognitive Symptoms of Schizophrenia

Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
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Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...

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Touchscreen Sustained Attention Task (SAT) for Rats
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Attentional network task performance in schizophrenic patients.

José Luis Rubio Gómez1, Lauren Hernández Bellido, Miguel Ruiz Veguilla

  • 1Universidad de Granada, Facultad de Psicología, Almería, Spain. jrubio@ugr.es

Psicothema
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Summary

The Attentional Network Test may not reliably distinguish schizophrenia patients

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Last Updated: Jun 7, 2026

Touchscreen Sustained Attention Task (SAT) for Rats
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Investigating the Effects of Antipsychotics and Schizotypy on the N400 Using Event-Related Potentials and Semantic Categorization
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Area of Science:

  • Cognitive Neuroscience
  • Psychiatry

Background:

  • Attentional functioning is frequently impaired in schizophrenia.
  • The Attentional Network Test (ANT) is a common tool to assess attention.
  • Previous research using ANT in schizophrenia has yielded mixed results.

Purpose of the Study:

  • To review existing studies on ANT in schizophrenia.
  • To assess the clinical relevance of ANT findings in schizophrenia.
  • To investigate if symptom subtypes impact ANT performance.

Main Methods:

  • Systematic review of studies utilizing the Attentional Network Test in schizophrenic patients.
  • Analysis of own data alongside reviewed literature.
  • Classification of patients based on psychotic symptom presentation.

Main Results:

  • The ANT does not clearly differentiate the attentional profiles of schizophrenic patients clinically.
  • Patients exhibiting positive syndrome symptoms showed reduced efficiency in the orientation network.
  • Subgroup analysis revealed specific attentional deficits linked to symptom clusters.

Conclusions:

  • The Attentional Network Test has limited clinical utility for broad schizophrenia diagnosis.
  • Specific attentional network deficits, particularly in orientation, are associated with positive symptoms in schizophrenia.
  • Symptom-based stratification may enhance the clinical relevance of attention assessments in schizophrenia.