PSYC 2230 Lecture Notes - Lecture 5: Connected Space, Lightdark, Stereopsis
2 Jun 2016
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Preference technique: studying how long a baby looks at one object compared to another; reveals differences and preferences. Habituation: show a baby the same thing over and over until they lose interest, then change it and see if the baby pay attention again which shows the baby notices the difference. Reinforcement: use interesting sounds or objects with the goal of making a desired behaviour happen again. Visual acuity: babies are not born blind; birth 20/200-20/400, 6 months 20/20. Tracking: not good at following objects until somewhere between 6-10 weeks; aslin"s study. Colour vision: babies can see colour; cone cells present in the eyes by one month and maybe even at birth (definitely red and green, probably blue) Visual cliff (gibson and walk): early research on depth perception (from 6 months-10 years of age) Stereopsis: binocular fusion (ability to combine images from two eyes); developed around 10 years, which is why kids get better at catching, throwing, etc.
