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Perceptual Development, Perceptual Development, Emotional DevelopmentEmotional Development

Perceptual Development

Sight, Hearing, Smell, Taste, Touch

Vision• 20/500 after birth (not good) = 8-12”• 20/100 around six months = 5-8’• Reaches 20/20 around age 4 = 20’• It appears that depth perception develops

around 6 months.– Visual Cliff Experiment:

• http://www.youtube.com/watch?v=1VPaBcT1KdY

Hearing • much more developed at birth than

vision– Why?

• Auditory Localization - tell where sounds are coming from.

5

How We Locate Sounds (Sound Localization)

• Taste, Smell & Touch are fairly advanced at birth.

Motor Development• Maturation- development that reflects

the gradual unfolding of one’s genetic blue print.

• Cephalocaudal trend – head to foot direction of motor development.

• Proximodistal trend – center-outward direction of motor development.

Early Emotional Development• Attachment – refers to the close, emotional

bonds of affection that develop between infants and their caregivers.

• Separation anxiety- emotional distress seen in many infants when they are separated from people with whom they have formed an attachment.

• Harlow Study – monkeys and wire mothers. – http://www.youtube.com/watch?v=hsA5Sec6dAI

• Bowlby Study – biological attachment – – http://www.youtube.com/watch?v=kwxjfuPlArY

• Ainsworth – complex interplay between mother & infant.

– http://www.youtube.com/watch?v=SHP_NikTkao

3 types of Attachments

• Secure attachment – comes from stability, consistency and confidence.

• Anxious-ambivalent attachment – excessive separation anxiety. Comes from instability in needs being met.

• Avoidant attachment – child seeks little to no contact. “cold”