A suit for protecting chronically implanted devices in monkeys

The plastic barrel suit provides complete protection of chronically implanted fistulas and electrical connectors. The lost time, expense, and the frustrations of having these devices damaged was avoided.     

Visual on- and off-latencies and handedness

Ten Ss served in this experiment, five right-handed and five left-handed. Every S was tested in a perceived-order situation and by the up-and-down method to determine the relative on-latency for a visual test stimulus. i.e, (ON-Lat for lest stimulus involving right hemisphere- ON-Lat for standard stimulus involving left hemisphere) and to determine a similarly defined relative off-latency for the same test stimulus. The algebraic difference between the relative on-latency measure and the relative off-latency measure was then found. Data from a previous study had suggested that this “on-off difference” was characteristically positive for left-handed Ss and negative for right-handed Ss. The present data agree. The left-handed Ss were found to differ significantly from the right-handed Ss in the magnitude of the on-off difference. This outcome appears important as a possible clue to functional interhemispheric differences related to handedness.     

The effect of part sequence on succession threshold

When letters of the word POT and the nonsense syllable OTP are presented in a typical orientation (horizontal) and a typical order (left to right, up to down), succession threshold is lower relative to presentation in an atypical orientation (vertical) and an atypical order (right to left, down to up). These results are interpreted as showing that learning to read English establishes both orientation and order parameters of a hypothetical analysis operation     

The Association for Human Development: a revitalized APGA

The American Personnel and Guidance Association faces a time of challenge as it moves increasingly to a world of change and innovation. Unfortunately, the divisional structure and emphasis of the Association as presently conceived builds for divisiveness, and little organizational unity is evident. However, all members in APGA are concerned with human development, maximizing individual potential, and helping individuals profit from developmental tasks involved in living. The Association for Human Development is suggested as a new name for APGA. Conceptual models for the divisions of the Association are suggested which imply the unity of the developmental process.