Final - Exam (10/20) - [Exam 3 - Section 3] Flashcards
_________ - The outline, the things that define an object
Form vision
the primary visual cortex = _________
(V1)
-Occipital Lobes -
Main function = _________
vision
-Occipital Lobes-
- Processing of _________ stimuli
- Some processing also in the temporal and _________ cortex
- visual
- parietal
_________ is the most important of our senses
-More cortex devoted to vision than any other function
Vision
Vision is the most important of our senses
-More _________ devoted to vision than any other function
cortex
_________ – how the boundaries and features of objects are perceived and recognized by the brain
Form vision
Brain needs to make sense of _________ visual input to recognize objects
complex
Different parts of the brain analyze different aspects of _________ input
visual
one characteristic of vision can be _________ (e.g., detecting movement of an object) while all other aspects are _________
- impaired
- normal
_________ Images on the retina are mapped onto the visual cortex just as they are on the retina
Form vision
Form vision Images on the retina are mapped onto the _________ just as they are on the retina
visual cortex
_________ -
-Adjacent cells in the retina activate adjacent cells in the cortex
– retinotopic map
– retinotopic map
-Adjacent cells in the _________ activate adjacent cells in the _________
- retina
- cortex
Only clear landmark for occipital lobe is the _________ sulcus on medial surface
parieto-occipital
_________ surrounded by most of the primary visual cortex (V1)
Calcarine sulcus
Calcarine sulcus surrounded by most of the _________
primary visual cortex (V1)
Calcarine sulcus divides upper and lower _________
visual field
_________ contains most of the primary visual cortex (V1)
Calcarine sulcus
_________ calcarine sulcus – upper visual field
Below
Below calcarine sulcus – _________ visual field
upper
_________ calcarine sulcus – lower visual field
Above
Above calcarine sulcus – _________ visual field
lower
_________ gyrus – part of V2
Lingual
Lingual gyrus – part of ___
V2
_________ gyrus – V4
Fusiform
Fusiform gyrus – ____
V4
_________ - First level of visual processing
V1
Damage to ___ – act as if blind
V1
Damage to V1 – act as if _________
blind
V1 - Contains different _________ types (blobs and interblobs)
cell
___ - Contains different cell types (blobs and _________)
- V1
- interblobs
V1 - _________ – color perception
Blobs
V1 - _________ – form and motion perception
Interblobs
88888888
-Occipital Lobes -
____ – striped
V2
88888888
-Occipital Lobes-
_________ - Second level in processing
V2
88888888
-Occipital Lobes-
V2 - _________ stripes – color perception
Thin
88888888
-Occipital Lobes-
V2 - _________ stripes – form perception
Thick
88888888
-Occipital Lobes-
V2 - _________ stripes – motion perception
Pale
-Occipital Lobes-
_________ – primary function is color processing
V4
-Occipital Lobes-
V4 – primary function is _________ processing
color
-Occipital Lobes-
V4 - Color also allows detection of _________, depth, position of _________ , object recognition
- motion
- stimuli
-Occipital Lobes-
V4 - Damage affects _________ vision and also recall/imagining _________
- color
- colors
-Occipital Lobes-
_________ – primary function is perception of movement
V5
-Occipital Lobes-
V5 – primary function is perception of _________
movement
-Occipital Lobes-
V5 - If damage, can see objects at _________ but disappear when start to _________
- rest
- move
V5 - _________ (movement/motion agnosia)
Akinetopsia
V5 - Akinetopsia (movement/motion _________ )
agnosia
-Occipital Lobes-
V1 – first area for processing visual information (from _________)
thalamus
-Occipital Lobes-
Input From V2 (some direct input from _________ ) – three pathways involved in vision:
thalamus
-Occipital Lobes-
Input from V1 to _________
V2
From V2 – three pathways streams involved in vision:
- Ventral
- _________
- STS (superior temporal sulcus)
Dorsal
From V2 – three pathways streams involved in vision:
- _________
- Dorsal
- _________
- Ventral
- STS (superior temporal sulcus)
-Occipital Lobes-
_________ stream – object perception/color
Ventral
-Occipital Lobes-
_________ stream – movement (vision for action)
Dorsal
-Occipital Lobes-
_________ stream – visuospatial/movement, information flow to and from dorsal and ventral streams
STS (superior temporal sulcus)
-Occipital Lobes-
STS (superior temporal sulcus) stream – visuospatial/movement, information flow to and from _________ and _________ streams
- dorsal
- ventral
