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Related Experiment Video

Updated: Mar 17, 2026

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments

Published on: January 23, 2017

Cue validity probability influences neural processing of targets.

Antonio Arjona¹, Miguel Escudero², Carlos M Gómez¹

¹Human Psychobiology Lab, Experimental Psychology Department, University of Seville, C/Camilo José Cela s/n, 41018, Sevilla, Spain.

Biological Psychology

|July 20, 2016

Summary

This study investigated the brain

Keywords:

Attention Cueing effect Posner’s paradigm Updating of priors Validity probability

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Last Updated: Mar 17, 2026

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Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

Area of Science:

Neuroscience
Cognitive Psychology
Psychophysiology

Background:

The Spatial Cueing Effect describes how attention is directed by cues.
Previous research has primarily focused on visual cueing paradigms.
Understanding the neural mechanisms of visuo-auditory spatial cueing is crucial for a comprehensive model of attention.

Purpose of the Study:

To analyze the neural underpinnings of the Spatial Cueing Effect using a visuo-auditory paradigm.
To examine how varying cue validity proportions influence behavioral and electrophysiological responses.
To investigate the role of sensory-motor attention and working memory in adapting to unpredictable environmental stimuli.

Main Methods:

Utilized a visuo-auditory version of the Central Cue Posner Paradigm (CCPP).
Employed behavioral measures including Reaction Times and Error rates.
Recorded Event-Related Potentials (ERPs), specifically Contingent Negative Variation (CNV), N1, P2a, P2p, P3a, P3b, and Negative Slow Wave (NSW).
Manipulated trial blocks with differing valid/invalid cue proportions (50/50, 68/32, 86/14).

Main Results:

A significant spatial cueing effect was observed.
Behavioral data (Reaction Times, Incorrect responses) demonstrated this effect.
Event-Related Potentials (lateralized CNV, P2a, P3b, NSW) showed modulation correlating with cue validity.
Increased proportion of valid trials led to a more pronounced spatial cueing effect.

Conclusions:

Brain activity is modulated to enhance sensory-motor attention and working memory updating.
These modulations facilitate adaptation to unpredictable external events.
The findings provide insights into the neural basis of visuo-auditory attention and predictive processing.