Which of the following statements is true about transcranial magnetic stimulatio

Question

Which of the following statements is true about transcranial magnetic stimulation (TMS)? : A) TMS is a noninvasive method that causes depolarization or hyperpolarization in neurons near the scalp B) This method is considered psychophysiological because the independent variable is physiological, rather than the dependent C) A coil of wire is placed just above the participant’s scalp and when electricity flows through the coil, it produces a magnetic field D) When the magnetic field is rapidly turned on and off, a current is induced in the neurons, leading to depolarization or hyperpolarization, depending on the number of magnetic field pulses E) TMS is able to explore neural plasticity, which is the ability of connections between neurons to change F) A,C,D,E only G) A,B, C only Which of the following statements is true about fMRI? : a) fMRI measures blood volume and blood flow, and from this we infer neural activity b) fMRI data typically have poor temporal resolution c) fMRI does not measure neural activity directly d) Temporal resolution for fMRI is typically on the order of seconds, whereas its spatial resolution is on the order of millimeters

Explanation / Answer

1. The correct answer is Option F. Option A, C, D and E are correct with respect to transcranial magnetic stimulation.

2. The correct answer is Option A. fMRI measures blood volume and blood flow, and from this we infer neural activity.

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