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Modifying behavioral variability in moderately depressed students.

Jennifer Hopkinson, Allen Neuringer

    Behavior Modification
    |April 23, 2003
    PubMed
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    Depressed students exhibit more repetitive responses, but behavioral variability can be increased through reinforcement and instruction. This finding supports therapeutic interventions for depression by enhancing behavioral flexibility in depressed individuals.

    Area of Science:

    • Psychology
    • Cognitive Science
    • Clinical Psychology

    Background:

    • Depression is often associated with cognitive rigidity.
    • Repetitive response patterns may characterize the behavior of depressed individuals.
    • Understanding behavioral variability is crucial for developing effective depression therapies.

    Purpose of the Study:

    • To investigate if moderately depressed students generate more repetitive response sequences than non-depressed students.
    • To determine if behavioral variability can be enhanced in depressed individuals.
    • To explore the impact of reinforcement and instruction on response variability.

    Main Methods:

    • Seventy-five undergraduates completed the Center for Epidemiological Studies Depression Scale (CES-D) to assess depression levels.

    Related Experiment Videos

  • Participants were categorized into moderately depressed and non-depressed groups.
  • A two-phase computer-game procedure measured response-sequence variability, with varying reinforcement conditions and instructional groups.

    • Main Results:

    • Depressed participants showed more repetitive responses when reinforcement was independent of variability.
    • Requiring high sequence variability for reinforcement significantly increased variability in all participants, including the depressed group.
    • Instruction regarding behavioral variability led to more variable responses across all participants.

    Conclusions:

    • Both direct reinforcement and instruction effectively increase behavioral variability in depressed individuals.
    • Enhanced behavioral variability in depressed individuals aligns with therapeutic goals for depression treatment.
    • Findings suggest that interventions targeting behavioral flexibility may be beneficial for depression.