Lecture 3B Flashcards
referred to as the clarity of vision, finest detail you can see
visual acuity
what makes up visual acuity?
Spatial frequency and contrast
What are 2 ways to measure vision in infants?
Habituation, preferential looking task
Response decreases from repeated exposure to response eliciting stimulus
Habituation testing
Measure looking time, stimulus looked at longer inferred more novel and interesting
Preferential looking task
___ months visual acuity is adult like
4 months
Infant’s visual acuity in the first couple months __x worse than adults
12
What are optimal visual conditions for young infants?
high contrast, 1 foot away, low spatial frequency
What do newborns prefer to look at?
Faces, attractive faces, mother’s face
Frequency of sound
Pitch
Intensity of sound
Loudness
What are the softest sounds newborns can hear?
40-60 decibel
What is the frequency of sound newborns can hear?
2000-4000 hertz (like adults)
What type of voice is the most easily heard by newborns?
Adult female voice
What are the auditory preferences for newborns?
Speech, mother’s speech, native language, infant directed speech
