Jason Is Participating in a Psychology Experiment in Which He

question 21

Multiple Choice

Jason is participating in a psychology experiment in which he is seated in a completely dark room.An initially undetected point of light is gradually made brighter.With each increase,he is asked if he can see the light.In this experiment,Jason's ________ is being measured.

• A) difference threshold
• B) absolute threshold
• C) just-noticeable difference
• D) transduction

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Definitions:

Excite

To cause a heightened state of energy or activity in a physical or psychological context.

Action Potentials

Action potentials are rapid, temporary changes in the electrical charge of a cell's membrane, allowing for the transmission of signals in nerve and muscle cells.

Axons

Long, slender projections of nerve cells (neurons) that transmit electrical impulses away from the neuron's cell body to other neurons, muscles, or glands.

Myelin

A fatty substance that surrounds and insulates the axons of some neurons, enhancing the speed and efficiency of electrical signal transmission.