Subjects exposed to periodic variations in gravitoinertial force (2-G peak) in parabolic flight maneuvers quickly come to perceive the peak force level as having decreased in intensity. By the end of a 40-parabola flight, the decrease in apparent force is approximately 40%. On successive flight days, the apparent intensity of the force loads seems to decrease as well, indicating a cumulative adaptive effect. None of the subjects reported feeling abnormally 'light' for more than a minute or two after return to 1-G background force levels. The pattern of findings suggests a context-specific adaptation to high-force levels.


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    Title :

    Rapid perceptual adaptation to high gravitoinertial force levels Evidence for context-specific adaptation


    Contributors:

    Publication date :

    1982-08-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English