PSY 302 Lecture Notes - Lecture 3: Visual Acuity, Taste, Evoked Potential
29 Mar 2016
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Issues: baby make like to look a both equally therefore inconclusive preference. High amplitude sucking: suck harder for preferences. Evoked potentials: electrodes on baby"s scalp to measure brain waves. Least mature sense infancy but can detect light, moving objects, prefer faces, colour, poor contrast sensitivity, visual acuity. Hard to different blue, green & yellow from white. Group same shades of colours together at 4-5 months. Can discriminate sounds that differ in loudness, duration, direction, frequency. Can recognize words but don"t know meaning. Explore first with mouth and later with hands. Sensitive to head, cold, changes in temperature. Can discriminate different concentrations of basic taste. Can discriminate own mother by the smell of own mother by scent of breasts and armpits. U-shaped curve of turning heads to hear voices. 1 month - lose reflect no turn head. 4-5 months higher brain function turn heads again. Early pattern perception (birth - 2 months)
