Spatial Summation Occurs When

question 69

Multiple Choice

Spatial summation occurs when

• A) several neurons in an area fire at one time.
• B) neurons fire repeatedly until a stimulus is sent.
• C) they are too weak to cause an action potential.
• D) the post-synaptic neuron is stimulated in one location.
• E) the pre-synaptic neuron fires into many post-synaptic neurons.

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Definitions:

Random Variation

The unpredictable fluctuation in data points that results from a multitude of unspecified factors.

Process Control Charts

Graphical displays used to monitor the stability and performance of a process over time by plotting various statistics.

P-Charts

Control charts used for monitoring the proportion of defective items in a process over time.

Statistical Process Control (SPC)

A method of quality control which employs statistical methods to monitor and control a process, helping to ensure that it operates at its fullest potential.