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Lecture 7

Lecture 7 (September 20).docx

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Department
Psychology
Course
PSYCH 2AA3
Professor
Jennifer Ostovich
Semester
Fall

Description
Lecture 7 (Thursday, September 20, 2012) Sensory Skills ­ To what extent are sensory skills adult – like at birth and infancy? Three Skills, Different Acuities ­ Why might different skills be more or less developed at birth? 1. Sight ­ 20/20 is ‘average vision,’ you can see something at 20 feet that the average person can also see at 20  feet ­ 20/200 to 20/400 newborn vision ­ By 6 months of age, it is good ­ By 2 years of age, 20/20 vision ­ Babies don’t need to see at distances, they just have to see at close range like their mom’s face ­ Fantz (1961)  ▯visual acuity preference technique ­ Babies like relatively complex displays rather than simple displays ­ If they prefer looking at the complex design, that means that they can see it ­ Fantz used black and white lines, progressively getting smaller until the baby could no longer tell the  difference between the plain grey design and the thin black lines  ­ This was how he measured their vision Tracking = being able to pick out a moving object and watch it, which eventually develop
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