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Three Laboratory Procedures for Assessing Different Manifestations of Impulsivity in Rats
09:12

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Published on: March 17, 2019

Temporal preparation, response inhibition and impulsivity.

Angel Correa1, Mónica Triviño, Carolina Pérez-Dueñas

  • 1Departamento de Psicología Experimental y Fisiología del Comportamiento, Universidad de Granada, Spain. act@ugr.es

Brain and Cognition
|June 23, 2010
PubMed
Summary
This summary is machine-generated.

This study reveals that sequential effects improve both response speed and inhibition in individuals with low impulsivity. High impulsivity traits impair the temporal preparation of inhibitory control.

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Area of Science:

  • Cognitive Neuroscience
  • Psychology
  • Neuroscience

Background:

  • Temporal preparation and impulsivity share neural and cognitive underpinnings.
  • Previous research has not explored the relationship between trait impulsivity and temporal preparation.
  • Understanding this link is crucial for cognitive and behavioral research.

Purpose of the Study:

  • To investigate the interrelations between trait impulsivity and temporal preparation.
  • To examine how sequential effects influence response inhibition and preparation in individuals with varying impulsivity levels.
  • To compare performance on a temporal preparation go no-go task between low and high impulsivity groups.

Main Methods:

  • A temporal preparation go no-go task was administered to assess response inhibition and temporal orienting.
  • Participants were grouped based on non-clinical trait impulsivity levels (low vs. high).
  • The task measured reaction times (RTs) and false alarms under conditions of temporal cueing and sequential effects.

Main Results:

  • Sequential effects significantly improved both reaction times and response inhibition in the low impulsivity group.
  • In the high impulsivity group, sequential effects only enhanced reaction times, not response inhibition.
  • Distinct patterns of temporal preparation emerged based on impulsivity levels.

Conclusions:

  • Sequential effects can concurrently enhance excitatory and inhibitory processing for temporal preparation.
  • This facilitation supports the preparation of both fast and controlled responses.
  • Higher impulsivity may be associated with less efficient temporal preparation of inhibitory processing.