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Negative compatibility effect: the object-updating hypothesis revisited.

Piotr Jaśkowski¹

¹Department of Cognitive Psychology, University of Finance and Management, Warsaw, Poland. jaskowski@vizja.pl

Experimental Brain Research

|January 22, 2009

Summary

Backward masked primes can influence target responses. The object-updating hypothesis suggests negative congruity effects (NCEs) arise from new mask elements, but this study found NCEs varied with flanker type, contradicting the hypothesis.

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Area of Science:

Cognitive psychology
Visual perception
Attention

Background:

Backward masked stimuli can influence subsequent target processing.
The object-updating (OU) hypothesis explains negative congruity effects (NCEs) based on mask element interactions.

Purpose of the Study:

To investigate the role of mask elements in NCEs.
To test the predictions of the object-updating hypothesis.

Main Methods:

Participants responded to arrowhead targets (left/right).
Targets were preceded by backward masked primes.
Two distinct flankers, composed of opposing arrowhead elements, were used.

Main Results:

Negative congruity effects (NCEs) differed significantly between the two flanker types.
This differential effect contradicts the core assumption of the object-updating hypothesis.

Conclusions:

The object-updating hypothesis does not fully account for NCEs in this paradigm.
Flanker composition, not just novelty, influences response interference.