DEP2004 Midterm Exam | Questions With Expert Verified Answers Sensitive period Right Ans - a time when a certain type of development is most likely to happen or happens most easily, although it may still happen later with more difficulty ex. early childhood and language learning Cohort Right Ans - group born around the same time Types of developmental psychology research Right Ans - longitudinal cross-sectional cross-sequential Longitudinal research Right Ans - collecting data repeatedly on the same individuals Cross-sectional research Right Ans - groups of people of one age are compared with people of another age but are similar in other characterisitcs Cross-sequential Right Ans - study several groups of people at different ages (a cross-sectional approach) and follow them over the years (a longitudinal approach) Reflexes Right Ans - an unlearned, involuntary action or movement in response to a stimulus occurs without conscious thought types of reflexes Right Ans - babinski moro rooting stepping palmar babinski Right Ans - fans or spreads toes in response to a stroking foot usually disappears at end of first year 1 / 2
moro (startle) Right Ans - back arches, legs and arms fling out and then brought back to chest in hugging motion when position suddenly changed, loud noise or bump lost 6-7 months rooting Right Ans - baby turns head and mouth toward stimulus that strokes the cheek, chin or corner of mouth, facilitates finding mothers nipple for sucking stepping Right Ans - mimics walking when held under arms usually disappears by 3 or 4 months palmar (grasping) Right Ans - using 4 fingers, babies grasp fingers/objects, pressed against the palms of their hands.most babies support weight lost by 3-4 months, voluntary grasping 5-6 months head sparing Right Ans - biological mechanism that protects the brain when malnutrition disrupts body growth brain is last effected transient exuberance Right Ans - great but temporary increase in the number of dendrites that develop in an infants brain during the first two years of life experience expectant brain functions Right Ans - brain functions require certain basic common experiences in order to develop normally experience dependent brain functions Right Ans - brain functions depend on particular, variable experiences and therefore may or may not develop in a particular infant visual preferences in infancy Right Ans - newborns are legally blind only focus on things between 4-30 inches by two months they recognize details 2-4 months both eyes focus on a single thing gross motor skills Right Ans - large body movement walking and jumping
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