Which of the Following Is an Example of Spatial Summation

question 37

Multiple Choice

Which of the following is an example of spatial summation?

• A) Two action potentials occur at the same time and sum.
• B) A neuron sends out information through collaterals to several target cells.
• C) Two stimuli from two sources produce graded potentials on the same neuron at the same time such that the two potentials sum.
• D) Two rapid stimuli from the same source produce graded potentials on the neurons that sum.
• E) An action potential occurs at the same time as a graded potential, and they sum.

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Definitions:

Standard Deviation

A measure of the extent to which a set of scores vary on either side of their mean value. The square root of variance. See also standard error.

Individual Score

The specific performance or result attained by an individual in an assessment or evaluation.

Dependent Samples

Pairs or groups of observations in a study that are related or matched in some way.

Normal Curve

Curve resulting from the plot of values with a normal distribution. It is often called a bell curve because of its shape.