HD 1150 Lecture 9: Physical development in infancy; infant research methods
28 Sep 2018
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Infant research paradigms: habituation-dishabituation, habituation: getting used to a repeated stimulation (getting bored )--gradual response. In the book, is covered under learning instead of under methods why: baby has to recognize the object in order to get used to it. Preference for novelty is involved w/ habituation (it"s not new anymore over time: new part discrimination between the old thing and something new dishabituation (return to high-level of responsiveness w/ change in environment) Looks at new thing for longer time than the last time they saw the old thing. Empiricism: baby learns to focus on their own language: become better at one language as we lose the ability to perceive others, head-turn task is most like high amplitude sucking. Key concepts: control--increasing ability to voluntarily direct attention and movement, operant learning--infants will work for + reinforcement, preference--develop and change w/ experience; such as novelty preference, discrimination. Which do not: high amplitude sucking, preferential looking, eye tracking, habituation-dishabituation, head turn task.
