The Usual Flow of Information in a Reflex Arc Is

question 285

Multiple Choice

The usual flow of information in a reflex arc is

• A) cranial nerve, connector neuron, spinal nerve
• B) sensory neuron, connector neuron, motor neuron
• C) effector cell, interneuron, connector neuron
• D) sensory neuron, motor neuron, reflex neuron

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Definitions:

Signal-detection Theory

A means to measure the ability to differentiate between information-bearing patterns and random patterns that distract from the information.

Fechner's Law

A principle describing the relationship between the intensity of a stimulus and the magnitude of the sensory experience, stating that the intensity must increase geometrically to produce a linear increase in perception.

Sensory Adaptation

The mechanism where sensory receptors reduce their responsiveness to stimuli that remain constant over time.

Weber's Law

A principle in psychology that states the smallest perceptible difference in a stimulus is proportional to the intensity of the original stimulus.