10 Questions
Which brain area is important for complete visual awareness and the ability to consciously discriminate objects?
Visual cortex (V1)
Which brain area is important for orienting to objects even without conscious perception?
Superior colliculus
Which type of object recognition assumes that the sensory input defines basic properties that are fit together in a certain way, regardless of viewing position or orientation?
Object-centered
Which brain area in the fusiform cortex shows a repetition suppression effect, indicating object-centered recognition?
Left fusiform area
Which hypothesis suggests that recognition is due to collective activation over many complex feature detectors and explains why we confuse similar items?
Ensemble coding hypothesis
Which region of the visual field is affected by a scotoma?
Peripheral region
What did the patient D.B. report about his vision after the surgery?
Blind in the left visual field
How did patient D.B. react to objects in his left visual field?
He ignored them
What is the term used to describe the area where the optic nerve exits the eye and lacks photoreceptor cells?
Blindspot
What could explain the residual visual function observed in D.B.?
Presence of spared V1 tissue
Test your knowledge of neuropsychology and vision with this quiz on Scotoma, a condition where patients experience a "field cut" in their visual field. Learn about a fascinating case study of Patient D.B. and their experience with blindness in their left visual field. Discover how the brain adapts and why D.B. would avoid obstacles in their path despite claiming to be blind.
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