PSYC-2005EL Lecture Notes - Lecture 8: Plantar Reflex, Apgar Score, Moro Reflex

• School: Laurentian
• Department: Psychology / Psychologie
• Course: PSYC-2005EL
• Professor: D.Urajnik

Document Summary

An automatic physical reaction in response to a specific stimulus: eye blink, knee jerk, swallowing. Reflex development is used to assess for normal development: reflexes that should be present or absence of reflexes development of the central nervous system. Sucking sucking on objects that are pla(cid:272)ed i(cid:374) the (cid:271)a(cid:271)(cid:455)"s (cid:373)outh. Tonic neck (cid:862)fe(cid:374)(cid:272)i(cid:374)g refle(cid:454)(cid:863), a (cid:271)a(cid:271)(cid:455) o(cid:374) their (cid:271)a(cid:272)k (cid:449)ill look like it adopts a fencing pose. Moro reflex startled, a sudde(cid:374) (cid:272)ha(cid:374)ge i(cid:374) the positio(cid:374) of the (cid:271)a(cid:455)"s head (cid:449)ill (cid:272)ause the (cid:271)a(cid:271)(cid:455) to stret(cid:272)h it"s ar(cid:373)s out a(cid:374)d the(cid:374) (cid:271)a(cid:272)k i(cid:374) looking for something to hold on to. Stepping reflex infants held upwards will attempt to walk, disappear by about 8mos. Palmar grasp (cid:272)urli(cid:374)g the fi(cid:374)gers arou(cid:374)d a(cid:374) o(cid:271)je(cid:272)t pla(cid:272)ed i(cid:374) the (cid:271)a(cid:271)(cid:455)"s ha(cid:374)d. disappears i(cid:374) 3- 4mos. before being replaced by a voluntary grasp. Swimming reflex a baby placed in water will show movements in the arms and legs; as well as voluntarily hold its breath.