Cortical Mapping

Question 1

Broca’s aphasia

Answer 1

affects motor speech

broca’s area controls movements needed for vocalizalization and sends info to motor cortex

Question 2

Wernicke’s anomia

Answer 2

affects language comprehension

wernicke’s area plans for meaningful speech

Question 3

After-discharges

Answer 3

occur after stim

desired stim is just below the threshold of after-discharges

Question 4

WADA test

Answer 4

injection of sodium amytal intracarotid, contralateral limb is anesthetized to assess language areas that are affected

Question 5

Crown of Thorns

Answer 5

helps monitor EEG
electrodes distributed evenly over the exposed cortex with cotton wick electrodes
can be placed anywhere on exposed brain

Question 6

Cortical grid

Answer 6

helps monitor EEG