The Brain Knows How Strong a Stimulus Is Because the Brain

question 73

Multiple Choice

The brain knows how strong a stimulus is because the brain interprets ____.

• A) the neurotransmitter levels the stimulus is producing
• B) variations in the frequency of action potentials
• C) the size variation in the action potential being propagated
• D) the number of ion channels in the plasma membrane of the sensory neuron
• E) the extent to which voltage gated ion channels open and close

Develop critical thinking skills to question and critically analyze scientific claims and research findings.

Distinguish between various research designs in psychology (experimental, correlational, descriptive) and their respective attributes.

Understand the theory of internal and external validity in relation to experimental designs and the concepts of confounding variables and experimenter expectancies.

Identify and apply different methods for defining and measuring variables in psychological research.

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Definitions:

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