perception pt 2 Flashcards
what is akinetopsia?
inability to perceive motion
the inability to reach out for objects in space, a form of akinetopsia, describes what?
optic ataxia
what is object visual agnosia and what causes it?
issues with object recognition due to damage to ventral pathways
the fusiform face area (FFA) in the brain is responsible for…
conscious recognition of faces
parahippocampal place area (PPA) in the brain is responsible for…
conscious recognition of places and scenes
what part of the brain is responsible for processing non-facial body parts?
extra-striate body area (EBA)
the inability to recognize faces is what condition?
prosopagnosia
a failure to recognize objects because of problems with perceiving elements of the objects (but can still recognize single features) describes what?
apperceptive visual agnosia
what is associative visual agnosia?
inability to associate object with meaning
what is bottom-up and top-down processing?
the influence of information from the external environment. influence of internal knowledge (schemas, context, etc)
how does bottom up processing processed
information from primary visual cortex goes down the ventral and dorsal pathways to be processed
every object has a template in long term memory describes what
template matching theory (inefficient)
visual input being broken down into individual parts known as geons describes what?
feature detection theory
what model of feature detection has a bottom, middle, and top level
Selfridge’s feature detection model
Gibson’s ecological approach states that…
perception is about picking up information from our environment
