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Continuous Stimulation Reduces Arousal Level: Stability of the Effect over Time
Vol. 44, No. 1 (Mar., 1973), pp. 43-46
Stable URL: http://www.jstor.org/stable/1127677
Page Count: 4
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This study sought to determine whether the effect of continuous stimulation on arousal level persists over relatively long periods of time and whether its manifestations change over time, for example, as in homeostatic adjustment. 16 1-month-old infants served as subjects during 2-hour experimental and control sessions. The experimental condition provided extra stimulation of a continuous character in 4 sensory modalities. Measures of arousal level included heart rate, respiration regularity, motor activity, and state. The results show that continuous stimulation reduced arousal level both behaviorally and physiologically, that this effect occurred quite rapidly, and that it endured relatively unchanged over time.
Child Development © 1973 Society for Research in Child Development