Why Might a Neuroscientist Choose to Use Transcranial Direct Current

question 51

Multiple Choice

Why might a neuroscientist choose to use transcranial direct current stimulation in experiments rather than transcranial magnetic stimulation?

• A) TMS is no longer popular because of accuracy problems.
• B) TMS is more expensive than tDCS and tDCS is easier to use.
• C) Unlike TMS, tDCS is noninvasive and highly accurate.
• D) Unlike TMS, tDCS has been approved for use in humans.

---

Definitions:

Monopolists

Entities or individuals that have exclusive control over the production and sale of a particular good or service, allowing them to manipulate market conditions.

Monopolist

A single seller in a market who has significant control over the price and supply of a product or service.

Perfectly Competitive Firm

A firm that operates in a market where there are many buyers and sellers, no barriers to entry or exit, and all firms sell identical products.

Natural Monopolies

A type of monopoly that arises due to high infrastructure costs and other barriers to entry which make it inefficient for more than one provider to operate (e.g., water supply).