PSYC 140 (Portage) Module 3 Graded A+
Key infant reflexes: Ans- 1) Rooting
2) Moro Reflex
3) Grasping/Palmer Reflex
4) Stepping Reflex
Rooting Ans- A reflex where a baby turns their head when the cheek or mouth is touched.
Moro reflex Ans- A startled response: infant arches back and throws ou...
Rooting Ans- A reflex where a baby turns their head when the cheek or mouth is touched.
Moro reflex Ans- A startled response: infant arches back and throws out limbs.
Palmer reflex Ans- A spontaneous grasp made by an infant when the palm is rubbed.
Stepping reflex Ans- Infant makes stepping motions when held above surfaces.
Sleep states: Ans- nREM and REM sleep
nREM sleep Ans- Regular sleep, non-rapid eye movement, where the baby is nearly motionless.
REM sleep Ans- Irregular sleep, characterized by uneven breathing, half of an infant's daily sleep
pattern.
Shaken baby syndrome Ans- Brain damage caused by an infant being violently shaken.
5Ss of soothing Ans- 1) Swaddling
2) Side/stomach
3) Swinging
4) Shushing sounds
5) Sucking
, Why 5Ss work: Ans- -Touch releases endorphins
-Soothing noises are calming
-Swinging is similar to womb
-Swaddling limits overstimulation
Infancy Ans- -First two years of life
-Reaching 30 lbs
-32-35in tall
Two types of growth: Ans- Cephalocaudal
Proximodistal
Cephalocaudal Ans- Growth starts at the top with the head.
-Brain and skull are primary locations of growth (limbs/body later).
Overproduction Ans- Brains have more synaptic connections than needed.
Neural pruning Ans- Important connections are maintained, and unimportant ones are discarded.
Critical periods Ans- Must learn information within a specific span of time, otherwise brains won't
develop
Example of critical periods Ans- Language acquisition (before 5yo), deaf children babbling in sign
Proximodistal Ans- Growth starts in the trunk and moves to the limbs.
-Gross motor b4 fine motor
Piaget Ans- -Emphasized the role of the individual in constructing knowledge.
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