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PSYC 140 (Portage) Module 3 Latest Exam Questions 100% Well Answered
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Key infant reflexes: - Answer 1) Rooting 2) Moro Reflex 3) Grasping/Palmer Reflex 4) Stepping Reflex Rooting - Answer A reflex where a baby turns their head when the cheek or mouth is touched. Moro reflex - Answer A startled response: infant arches back and throws out limbs. Pa...

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  • October 25, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
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  • key infant reflexes

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  • PSYC 140 DEVELOPMENTAL PSYCHOLOGY
  • PSYC 140 DEVELOPMENTAL PSYCHOLOGY

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PSYC 140 (Portage) Module 3 Latest
Exam Questions 100% Well Answered.
Key infant reflexes: - Answer 1) Rooting

2) Moro Reflex

3) Grasping/Palmer Reflex

4) Stepping Reflex



Rooting - Answer A reflex where a baby turns their head when the cheek or mouth is touched.



Moro reflex - Answer A startled response: infant arches back and throws out limbs.



Palmer reflex - Answer A spontaneous grasp made by an infant when the palm is rubbed.



Stepping reflex - Answer Infant makes stepping motions when held above surfaces.



Sleep states: - Answer nREM and REM sleep



nREM sleep - Answer Regular sleep, non-rapid eye movement, where the baby is nearly motionless.



REM sleep - Answer Irregular sleep, characterized by uneven breathing, half of an infant's daily sleep
pattern.



Shaken baby syndrome - Answer Brain damage caused by an infant being violently shaken.



5Ss of soothing - Answer 1) Swaddling

2) Side/stomach

3) Swinging

4) Shushing sounds

, 5) Sucking



Why 5Ss work: - Answer -Touch releases endorphins

-Soothing noises are calming

-Swinging is similar to womb

-Swaddling limits overstimulation



Infancy - Answer -First two years of life

-Reaching 30 lbs

-32-35in tall



Two types of growth: - Answer Cephalocaudal

Proximodistal



Cephalocaudal - Answer Growth starts at the top with the head.

-Brain and skull are primary locations of growth (limbs/body later).



Overproduction - Answer Brains have more synaptic connections than needed.



Neural pruning - Answer Important connections are maintained, and unimportant ones are discarded.



Critical periods - Answer Must learn information within a specific span of time, otherwise brains won't
develop



Example of critical periods - Answer Language acquisition (before 5yo), deaf children babbling in sign



Proximodistal - Answer Growth starts in the trunk and moves to the limbs.

-Gross motor b4 fine motor

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