An Electrical Charge Applied to an Axon That Moves the Membrane

question 105

Multiple Choice

An electrical charge applied to an axon that moves the membrane potential from -70 mV to -45 mV will result in a(n)

• A) action potential.
• B) local potential.
• C) downward shift of the threshold of excitation.
• D) upward shift of the membrane threshold.
• E) long-term change in the membrane potential.

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Definitions:

Quasi-Experiment

An empirical study that appears to involve some, but incomplete, experimental control (e.g., through nonrandom assignment of participants to conditions).

Clinical Interview

A research paradigm in which an investigator begins by asking participants a series of open-ended questions but follows up on the responses with specific questions that have been prepared in advance.

Naturalistic Observation

A research method in which subjects are observed in their natural environment without any manipulation by the observer.

Introspection Technique

A method used in psychology involving self-observation and reporting of consciousness experiences, aimed at understanding mental states and processes.