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Related Experiment Videos

Conditioning in the unattended left ear.

D G Martin, M Stambrook, D J Tataryn

    The International Journal of Neuroscience
    |April 1, 1984
    PubMed
    Summary
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    Emotional responses can be conditioned and triggered without conscious awareness. This study shows that even unaware subjects exhibit conditioned responses, demonstrating implicit learning in a dichotic listening task.

    Area of Science:

    • Cognitive Psychology
    • Neuroscience
    • Psychophysiology

    Background:

    • Conditioned emotional responses (CERs) are typically studied with conscious awareness.
    • Implicit learning and unconscious processing are key areas in understanding cognitive functions.

    Purpose of the Study:

    • To investigate if conditioned emotional responses can be established and elicited without conscious awareness.
    • To explore the role of implicit emotional learning in a dichotic listening paradigm.

    Main Methods:

    • Two experiments used a dichotic listening task with right-handed male subjects.
    • Subjects performed a verbal task with one ear while musical patterns were presented to the other.
    • Experimental groups received an aversive noise following specific patterns, while control groups received random noise. Skin potential response latency was measured.

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    Main Results:

    • Experimental subjects showed decreased skin potential response latency to the critical tone pattern, indicating conditioning (Study 1).
    • Conditioned responses were observed in experimental subjects even on trials without the aversive noise (CS-alone trials) (Study 2).
    • Subjects consistently lacked reportable awareness of the conditioning, confirming unconscious processing.

    Conclusions:

    • Conditioned emotional responses can be acquired and evoked without conscious awareness.
    • The findings highlight the power of implicit emotional learning.
    • Unconscious emotional conditioning is a robust phenomenon, demonstrable even with complex cognitive tasks.