Flashcards in Reflex actions Deck (10):
Define: reflex actions
inborn automatic involuntary behaviours that occur in response to an environmental cue and in the same way each time
Reflexes are _____/_____.
Reflexes are _______
Why are reflexes adaptive?
They have a survival purpose and allow us to quickly deal with stimuli that affect survival
Blinking, sneezing, vomiting, spinal reflex (pulling hand away from hot stove)
Baby reflexes? PSSW
Palmar grasp/sucking/stepping/withdrawal reflex
Define: palmar grasp reflex
when a finger is put in the palm of an infant’s hand, it will immediately grasp the finger – to prepare the infant for voluntary grasping.
Define: sucking reflex
when a finger is placed in the infants mouth, the infant sucks the finger rhythmically – this permits feeding.
Define: stepping reflex
when an infant is held with bare feet touching a flat surface, it will life one foot then another – to prepare the infant for voluntary walking.