L33 Psych 321 Lecture Notes - Lecture 15: Hearing Loss, Habituation, Critical Period
4 Mar 2019
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Document Summary
Perceptual and motor development: methodology, preferences gazing and reaching, habituation paradigm: our response to novelty. Habituation: when a novel stimulus is presented, babies pay more attention, but they pay less attention as it becomes more familiar. Basic sensory and perceptual processes: smell, facial reactions and preferential head-turning, prefer their mothers breast pad over other mothers, taste, facial reaction and reactions to mother"s diet, can tell differences in breast milk. They can tell if mother just ate something sweet: touch, reflexes and crying, hearing, auditory threshold: the quietest sound that a person can hear. Pitch differences and loudness may make things seem novel. Midrange noises are perceived well, low and high noises are not easily recognized in babies. By 5 months old, they are sensitive to their name (perception: object localization: the ability to turn and localize a sound. By 5-6 months of age this develops.
