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Updated: May 24, 2026

A Method for Investigating Change Blindness in Pigeons (Columba Livia)

A Method for Investigating Change Blindness in Pigeons (Columba Livia)

Published on: September 7, 2018

Explicit behavioral detection of visual changes develops without their implicit neurophysiological detectability.

Pessi Lyyra¹, Jan Wikgren, Timo Ruusuvirta

¹Department of Psychology, University of Jyväskylä Jyväskylä, Finland.

Frontiers in Human Neuroscience

|March 16, 2012

Summary

This summary is machine-generated.

Change blindness occurs when people fail to notice significant visual changes. This study found that implicit change detection, measured by visual mismatch negativity (vMMN), was only present with shorter blank intervals, suggesting independent neural mechanisms for implicit and explicit change detection.

Keywords:

change blindness event-related potentials flicker paradigm oddball paradigm visual mismatch negativity

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Last Updated: May 24, 2026

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Published on: April 24, 2017

Area of Science:

Cognitive Neuroscience
Visual Perception

Background:

Change blindness demonstrates a failure to report visual changes across brief interruptions.
The role of implicit change detection in the development of explicit detection remains unclear.

Purpose of the Study:

To investigate whether implicit change detection is necessary for explicit change detection.
To examine the relationship between implicit and explicit visual change detection mechanisms.

Main Methods:

Event-related potentials (ERPs), specifically visual mismatch negativity (vMMN), were recorded in adult humans.
Participants performed a change blindness flicker task with varying blank interval durations (100 ms and 500 ms).
Image changes included color alterations, object omissions, or additions.

Main Results:

Explicit change detection required 10-15 presentations regardless of interval duration.
Implicit change detection (vMMN) was observed only with 100 ms intervals, not 500 ms intervals.
Explicit detection occurred even when implicit detection was absent.

Conclusions:

Implicit and explicit change detection may involve independent neural mechanisms.
Implicit change detection is not strictly necessary for the development of explicit change detection.
The duration of the inter-stimulus interval influences the detectability of implicit visual changes.