The effect of auditory subliminal deactivating messages on motor and task performance of hyperkinetic children Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/9p290d289

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  • The effects of a subliminal auditory stimulus on the motor activity and task performance skills of hyperkinetic children were investigated. Fifteen boys between seven and twelve years of age, who were enrolled in one of three treatment groups for hyperactivity, were recruited for this study. Each child participated, weekly, in one 75 minute group session and one 15 minute individual session. Because of circumstances involving absences and vacation, attendance varied from seven to nine sessions. During base-line conditions, white noise was broadcast below the auditory threshold level of the subjects into both the group and individual treatment rooms. Data were collected in individual sessions on two computer tasks, Continuous Performance and Eye-hand coordination. All individual sessions were video-taped and later coded by two observers. The occurrence and/or non-occurrence of off task behaviors, disruptive verbalizations, and gross motor activity were coded. During the treatment phase, subliminal, auditory deactivating messages containing two self-esteem and two relaxation phrases were broadcast. A single subject evaluation procedure, multiple baseline design across subjects, was used to evaluate the effect of the treatment condition on each subject. The auditory subliminal stimulus did not affect behavior or task performance. A positive trend, although inconclusive was developing in the experimental group, thus, the capability of subliminal messages to affect change in hyperactive children merits further research.
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