Compare the "all or none" implications for muscle contractions as compared to other topics in neuroscience where this concept applies.
What will be an ideal response?
"All or none" typically means that an action either occurs or it does not; it is not smaller for a weaker stimulus versus a stronger stimulus. However, in the case of muscle contractions, if fewer motor units are involved and firing, the muscle will still contract but it will be weaker as compared to when more motor units are firing.
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Americans and Europeans raise their eyebrows as a greeting. Does the same expression occur in other cultures? a. People in most other cultures do not show the eyebrow-raising expression
b. The expression occurs in most other cultures, but its meaning varies. c. People in many other cultures show either a much briefer or much longer eyebrow raising. d. The expression is the same in other cultures, both in meaning and in duration.
Changes in heart rate and blood pressure in response to stress is referred to as:
a. a coronary episode c. cardiovascular reactivity b. cardiovascular response d. cardiovascular metabolism
CB1 receptors are found mainly outside the brain in immune cells
Indicate whether the statement is true or false
Which Supreme Court case ruled that mental illness and a need for treatment are not sufficient justifications for the involuntary commitment for those not dangerous?
A. Payne v. Tennessee (1991) B. Wilson v. United States (1968) C. Cruzan v. Director, Missouri Department of Health (1990) D. O'Connor v. Donaldson (1975)