2.2Sensation Flashcards
What is sensation
Transform physical stimuli to electrical signal
What is perception
How we interpret signals
How does light enter the eye
Through the cornea
What does the retina do
Convert light to signal for the brain
Using rodes and cones
What do bipolar cells do
Detect change in rods and cones
where does the ventral stream travel to
temporal lobe
where does the dorsal stream trvel to
perietal lobe
what does the ventral stram tell us
what we looking at
what does dorsal stream tell us
action
auditory pathway
audio enter ear
auditory canal
oval window
double dissociate
independent between 2 cognitive processes
study on dorsal and ventral stream -vision
damage to v stream cant say what they were looking at
damage to d stream couldnt position item
goodale + miller
study on auditory
damage to v stream cant identify sund
damage to d cant locate sound
case Study on ventral + dorsal stream
patient DF
bottom up approach
no influence of cog process
