1a. The N400 ERP is larger to a. words whose meaning do not match prior sentence

Question

1a. The N400 ERP is larger to

a. words whose meaning do not match prior sentence context

b. violations of expenntancy such as when an infrequent "O" is presented among frequent "x's"

c. words remembered but not previously seen (false memories)

d. signed words reflecting near body space

e. none of the above

1b. A patient with severe, untreatable epilepsy is treated surgical by callosotomy, which is the complete cutting of the corpus callosum. The patient has no other brain damage, and the surgery was a complete success. After the patient recovers, her epilepsy is significantly better, but she is diagnosed as blind in her left visual hemifield by a board certified neuro-opthalmologist. The doctor tested the patient’s vision by flashing small lights one at a time in the visual field at different locations, and asking the patient to say when they saw a light. This patient never reported seeing a light when flashed in the left visual hemifield, but reported seeing the lights everywhere else in the visual field. Is the patient blind in the left visual field?

a. yes

b. no

Explanation / Answer

1a) Option A - words whose meaning does not match the prior sentence context (Semantically inappropriate)

1b) Option B - No

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