Bob Is a Participant in a Signal Detection Study

question 303

Multiple Choice

Bob is a participant in a signal detection study. On the last clinical trial, Bob said that he saw a stimulus and in fact there was no stimulus present. Bob's answer would be classified as a

• A)hit
• B)miss
• C)false alarm
• D)correct rejection

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Definitions:

Glial Cells

Non-neuronal cells in the central and peripheral nervous system that do not produce electrical impulses but are essential for the support, protection, and nutrition of neurons.

Neurotransmitters

Chemicals that transmit signals across a synapse from one neuron to another in the brain and nervous system.

Sodium Ions

Positively charged particles of sodium, essential for conducting nerve impulses and muscle contraction in the body.

Cell Body

The spherical part of a neuron that contains the nucleus and connects to the dendrites, which bring information to the neuron, and the axon, which sends information to other neurons.