Chapter 5: Fetal Sensorimotor Development

Question 1

• fixation occurs
• able to focus (fixed focal length)

Answer 1

Third Trimester 28-40ish wks

Vision

Question 2

• can respond to different tastes (sweet, sour, bitter, salt)

Answer 2

Third Trimester 28-40ish wks

Taste

Question 3

• Muscle starts to differentiate
• Tissue becomes specialized

Answer 3

First Trimester 1-12 wks

Muscle Spindle

Question 4

• quickening
• sleep states
• grasp reflex
• reciprocal and symmetrical limb movements

Answer 4

Second Trimester 13-27 wks

Movement

Question 5

• functioning at the end of the first trimester (not completely developed)

Answer 5

First Trimester 1-12 wks

Vestibular

Question 6

• 28 weeks primitive motor reflexes:
• rooting
• suck, swallow
• plantar grasp
• MORO

Answer 6

Third Trimester 28-40ish wks

Movement

Question 7

• receptors differentiate

Answer 7

Second Trimester 13-27 wks

Touch and Tactile

Question 8

• will turn to auditory sounds

Answer 8

Second Trimester 13-27 wks

Auditory

Question 9

• some muscles are mature and functional; others still maturing

Answer 9

Third Trimester 28-40ish wks

Muscle Spindle

Question 10

• motor end plate forms
• clonus response to stretch

Answer 10

Second Timester 13-27 wks

Muscle spindle

Question 11

• taste buds develop

Answer 11

First Trimester 1-12 wks

Taste

Question 12

• eyelids fused
• optic nerve/cup being formed

Answer 12

First Trimester 0-12 wks

Vision

Question 13

• first sensory system to develop
• response to tactile stimulus

Answer 13

First Trimester 1-13 wks

Touch and Tactile

Question 14

• touch functional
• actual temp discrimination at the end of trimester
• most mature sensory system at birth

Answer 14

Third Trimester 28-40ish wks

Touch and Tactile

Question 15

• startle to light
• visual processing occurs

Answer 15

Second Trimester 13-27 weeks

Vision

Question 16

• sucking, hiccuping
• fetal breathing
• quick generalized limb movement
• positional changes
• 7.5 weeks; bend neck and trunk away from perioral stroke

Answer 16

First Trimester 1-12 wks

Movement

Question 17

• nasal plugs disappear, some olfactory perception

Answer 17

Third Trimester 28-40ish wks

Olfactory