Sensory Perception Flashcards
what is sensation
The ability to perceive stimulation through one’s sensory organs
what is perception
The process by which we receive, organize, and
interpret sensation
what is sensory perception
The ability to receive sensory input and, through various physiological processes in the body, translate the stimulus or data into meaningful information
what does the reticular activating center do
controls us to be active and alert
what are the 3 receptors
thermoreceptors
proprioceptors
photoreceptors
what is perception affected by
Location of receptor
Number of
receptors activated
Frequency of
action potentials
Changes in above
what are some factors affecting response
Intensity of stimulus
Contrasting stimuli
Adaptation to stimuli
Previous experience
what do proprioceptors do
detect position of our body in space
where are photoreceptors located
retina
when is the reticular activating system not active
under anesthesia, opioids, alcohol, etc
what is arousal mechanism affected by
environment and meds
what is arousal mechanism mediated by
reticular activating center
where is the reticular activating system located
brainstem
what medications alert CNS
cocaine and adderall
what meds depress CNS
ativan
alcohol
marijuana
opioids
