Fetal Sensorimotor Development

Question 1

Gestational age

Answer 1

age of fetus or newborn in weeks from first day of mother’s last normal menstrual cycle; Normal gestational period is 38-42 weeks

Question 2

first sensory system to develop

Answer 2

tactile; first trimester

Question 3

tactile system- 3rd trimester

Answer 3

touch functional, actual temperature discrimination at end of 3rd trimester; most mature sensory system at birth

Question 4

vestibular system

Answer 4

functioning at end of 1st trimester, not completely developed at birth

Question 5

auditory development

Answer 5

will begin turning to auditory sounds in 2nd trimester

Question 6

movement- 1st trimester development

Answer 6

sucking, hiccuping, quick generalized limb movement, positional changes, 7 1/2 weeks- will bend neck and trunk away from perioral stroke

Question 7

movement- 2nd trimester

Answer 7

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

Question 8

movement- 3rd trimester

Answer 8

28 weeks- primitive motor reflexes; rooting, suck, swallow, MORO, crossed extension, palmar grasp, plantar grasp