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Unconscious conditioning: Demonstration of existence and difference from conscious conditioning.

ABSTRACT: Unpronounceable strings of 4 consonants (conditioned stimuli: CSs) were consistently followed by familiar words belonging to 1 of 2 opposed semantic categories (unconditioned stimuli: USs). Conditioning, in the form of greater accuracy in rapidly classifying USs into their categories, was found when visually imperceptible (to most subjects) CSs occupied ?58 ms of a 75-ms CS-US interval. When clearly visible CSs were presented in a 375 ms CS-US interval, conditioning was strongly correlated with measures of contingency awareness, and did not occur in the absence of that awareness. These experiments delineated 2 forms of conditioning: Unconscious conditioning occurred with a brief CS-US interval, with an effectively masked conditioned stimulus (CS), and with no reportable knowledge of the contingent CS-US relation. Conscious conditioning occurred with a substantially longer CS-US interval, a perceptible CS, and with subjects' reportable knowledge of the contingent CS-US relation. (PsycINFO Database Record

SUBMITTER: Greenwald AG

PROVIDER: S-EPMC5737715 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Unconscious conditioning: Demonstration of existence and difference from conscious conditioning.

Greenwald Anthony G AG De Houwer Jan J

Journal of experimental psychology. General 20171201 12

Unpronounceable strings of 4 consonants (conditioned stimuli: CSs) were consistently followed by familiar words belonging to 1 of 2 opposed semantic categories (unconditioned stimuli: USs). Conditioning, in the form of greater accuracy in rapidly classifying USs into their categories, was found when visually imperceptible (to most subjects) CSs occupied ≥58 ms of a 75-ms CS-US interval. When clearly visible CSs were presented in a 375 ms CS-US interval, conditioning was strongly correlated with ...[more]

PMID: 29251984

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Project description:Background:Executive control, the ability to regulate the execution of a goal-directed task, is an important element in an athlete's skill set. Although previous studies have shown that executive control in athletes is better than that in non-athletes, those studies were mainly confined to conscious executive control. Many recent studies have suggested that executive control can be triggered by the presentation of visual stimuli without participant's conscious awareness. However, few studies have examined unconscious executive control in sports. Thus, the present study investigated whether, similar to conscious executive control, unconscious executive control in table tennis athletes is superior to that in non-athletes. Methods:In total, 42 age-matched undergraduate students were recruited for this study; 22 nonathletic students lacking practical athletic experience comprised one group, and 20 table tennis athletes with many years of training in this sport comprised a second group. Each participant first completed an unconscious response priming task, the unconscious processing of visual-spatial information, and then completed a conscious version of this same response priming task. Results:Table tennis athletes showed a significant response priming effect, whereas non-athletes did not, when participants were unable to consciously perceive the visual-spatial priming stimuli. In addition, the number of years the table tennis athletes had trained in this sport (a measure of their motor expertise) was positively correlated with the strength of the unconscious response priming effect. However, both table tennis athletes and non-athletes showed a response priming effect when the primes were unmasked and the participants were able to consciously perceive the visual-spatial priming stimuli. Conclusion:Our results suggest that motor expertise modulates unconscious, rather than conscious, executive control and that motor expertise is positively correlated with unconscious executive control in table tennis athletes.

Dataset Information

Unconscious conditioning: Demonstration of existence and difference from conscious conditioning.

Publications

Unconscious conditioning: Demonstration of existence and difference from conscious conditioning.

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