The most common excitatory neurochemical in the CNS is
A. serotonin.
B. ACh.
C. GABA.
D. glutamate.
Answer: D
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Part of Chapter 6 examined students' study strategies for easy and difficult material. Which of the following students provides the most accurate perspective on that research?
a. Carlo: "When the memory task is relatively easy, students spend about the same amount of time studying the easiest items and the most difficult items." b. Sondra: "When the memory task is relatively easy, students spend the most time on the difficult items; when the memory task is relatively difficult, students spend the most time on the easy items." c. Phil: "Students study the difficult items more than the easy items when the material is related to their own interests; otherwise, they show no consistent pattern in their study strategies." d. Indira: "Students' study strategies depend on their motivational level; the most motivated students divide their time equally among the topics, but the less motivated students spend more time on the difficult tasks."
Bloodletting, a treatment devised centuries ago to restore the balance of humors, was accomplished with the use of
A. needles. B. leeches. C. tourniquets. D. bacteria.
When it comes to new technologies
a. older adults prefer e-readers to traditional hard copy books. b. older adults read much slower and comprehend less reading e-books compared to traditional books. c. older adults showed significant gains in physical fitness and cognitive health after electronic exergame training with the Wii. d. only men seem to benefit cognitively and physically from electronic exergames.
Neurotransmitters make it possible for one neuron to excite or inhibit another
Indicate whether this statement is true or false.