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Updated: Jun 15, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
Published on: July 5, 2015
[The concept of attention]
Olfa Ben Azouz1, Lamia Dellagi, Oussam Kebir
1Unité de recherche UR 02/04 sur les processus cognitifs dans la pathologie psychiatrique, hôpital Razi, Tunis.
This review outlines various types of attention, including selective, sustained, and divided attention, along with pre-attentive phenomena. Cognitive tests are essential for assessing attention and its disorders in psychiatric conditions.
Area of Science:
- Cognitive Neuroscience
- Psychiatry
Context:
- Attention is a fundamental cognitive process enabling organisms to select and process relevant environmental information.
- Understanding attention is crucial for diagnosing and managing various psychiatric disorders.
Purpose:
- To delineate diverse forms of attention, including selective, sustained, and divided attention.
- To review established and novel cognitive tests used for evaluating attentional capacities.
- To discuss attentional deficits observed in psychiatric pathologies.
Summary:
- The literature review identifies key attentional types: selective, sustained, and divided attention, alongside pre-attentive processes like alertness and orientation.
- Assessment tools range from traditional tests (Stroop, CPT) to modern paradigms (Posner's task, ANT) probing distinct attentional networks.
- While attentional disorders are not pathognomonic, specific patterns like disengagement deficits in schizophrenia and ADHD are noted.
Impact:
- Provides a comprehensive overview of attention, aiding researchers and clinicians in understanding attentional mechanisms.
- Highlights the utility of specific cognitive tests in identifying and characterizing attentional impairments.
- Informs differential diagnosis and treatment strategies for psychiatric conditions with attentional disturbances.
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