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Dissociating Local and Global Levels of Perceptuo-Motor Control in Masked Priming

Schlaghecken, Friederike, Bowman, Howard, Eimer, Martin (2006) Dissociating Local and Global Levels of Perceptuo-Motor Control in Masked Priming. Journal of Experimental Psychology: Human Perception and Performance, 32 (3). pp. 618-632. ISSN 0096-1523. (doi:10.1037/0096-1523.32.3.618) (KAR id:14468)


Masked prime stimuli presented near the threshold of conscious awareness affect responses to subsequent targets. The direction of these priming effects depends on the temporal characteristics of the prime-mask-target sequence. With short prime/mask-target intervals, benefits for compatible trials (primes and targets mapped to the same response) and costs for incompatible trials are observed. This pattern reverses with longer intervals. We argue a) that these effects reflect the initial activation and subsequent self-inhibition of the primed response, and the corresponding inhibition and subsequent disinhibition of the non-primed response, and b) that they are generated at dissociable local (within response channels) and global (between channels) levels of motor control. In two experiments, global-level priming effects were modulated by changing the number of response alternatives, whereas local-level effects remained unaffected. This suggests that low-level motor control mechanisms can be successfully decomposed into separable sub-components, operating at different levels within the motor system.

Item Type: Article
DOI/Identification number: 10.1037/0096-1523.32.3.618
Uncontrolled keywords: Mptor Control, Masked Priming
Subjects: Q Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming,
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Computing
Depositing User: Mark Wheadon
Date Deposited: 24 Nov 2008 18:04 UTC
Last Modified: 16 Nov 2021 09:52 UTC
Resource URI: (The current URI for this page, for reference purposes)

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