Invasive Neurophysiology Binns

Question 1

WHICH OF THESE MODALITIES
ALLOWS US TO RECORD SINGLE-
UNIT ACTIVITY?

a. MEG
b. Intraoperative microelectrodes
c. EcoG
4.LFPs

Answer 1

b

Question 2

Why is referencing important when recording brain signals

a. to minimize the contribution of ground-related noise to recorded signals
b. to baseline brain activity in one region against that another
c. to remove features of signals associated with diseases
d. to enhance features of signals associated with diseases

Answer 2

a

Question 3

what is the primary benefit of recording from multiple brain sites?

a. To have an additional brain site for referencing
b. To record brain activity uncontaminated by the disease
c. To record brain activity implicated in the wider network
associated with the disease

Answer 3

c.

Question 4

which is correct?
LFP recordings are located near
a. VIM for essential tremor, GPi for dystonia and PD, STN for PD
b. Gpi for essential tremor, VIMfor dystonia and PD and STN for PD
c. STNfor essential tremor, Gpi for PD, VIM for dystonia and PD

Answer 4

a.

Question 5

What is a biomarker?
a. a neuronal feature of a particular physiological or pathological process

b. a non-neuronal feature of a particular physiological or pathological process

c. a biological feature of a particular physiological or pathological feature

Answer 5

c.

Question 6

Oscillatory activity in which frequency bands is associated with movement? (multiple answers possible)

a. low freq. (theta and alpha)
b. Gamma (60-150 HZ)
c. beta (13-35 Hz)
d. none of the above

Answer 6

b. Gamma (60-150 HZ)
c. beta (13-35 Hz)

Question 7

What is the best described electrophysiological biomarker in PD?

a. VIM- muscular tremor coherence
b. elevated beta power in the cortex
c. elevated beta- power in the STN

Answer 7

c.