A group of 38 preschool children, aged 63 to 82 mo., were divided into subgroups of short, long and intermediate spiral aftereffect duration. The group with an intermediate score was assumed to have reached a stage of relative autonomy from both extraceptive (nonself) and intraceptive (self) factors of perception. As predicted, this group was neither as dependent on the visual field in the Rod-and-frame Test as the other two groups, nor did it score as extremely independent of that field.
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References
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AnderssonA. L.JohanssonA.KarlssonB.OhlssonM.On self-nonself interaction in early childhood as revealed by the spiral aftereffect duration. Psychol. Res. Bull., Lund Univer., Sweden, 1969, 9, No. 11.
