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

---

Definitions:

Audience Inhibition

Failure to help in front of others for fear of feeling like a fool if one’s offer of help is rejected

Egoistic Motives

Actions driven by self-interest, focusing on benefits or outcomes that primarily serve the individual's own needs or desires.

Diffusion of Responsibility

A phenomenon in which individuals in a group are less likely to take responsibility for action or inaction when others are present.

Belief in a Just World

The psychological concept suggesting that individuals have a deep-seated need to believe that the world is fundamentally fair, leading to rationalizations of suffering and injustice.