Relaxation of Your Arm Would Be Expected to Lengthen the Extrafusal

question 29

Multiple Choice

Relaxation of your arm would be expected to lengthen the extrafusal fibers. This would in turn lead to a(n) ________ firing rate of the ________.

• A) increased; GTO fibers
• B) increased; muscle spindles
• C) decreased; GTO fibers
• D) decreased; muscle spindles
• E) decreased; alpha motor neurons

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Definitions:

Variable Ratio Schedule

A variable ratio schedule in reinforcement theory involves rewarding a behavior after an unpredictable number of responses, promoting a high and steady response rate.

Fixed Interval Schedule

A reinforcement schedule in operant conditioning where rewards are given at fixed intervals of time, provided the correct response is made.

Nonreinforced Responses

Reactions or actions that are not followed by reinforcement, thus not likely to be strengthened or learned.

Variable Interval Schedule

A reinforcement schedule in which a response is rewarded after an unpredictable amount of time has passed.