Brain cells that are neither neurons nor glia, but which are capable of dividing and then differentiating into neurons or glia, are called ____
a. parallel fibers
b. intrinsic cells
c. stem cells
d. glomeruli
c
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Kathy takes her 2-year-old son to the supermarket every Saturday. Each week, the same sequence of events unfolds: Her son screams, demanding that Kathy buys him treats. Although she refuses to give in to his demands, he continues to scream
Finally, Kathy yells at the top of her lungs, "QUIET!" He stops screaming instantly. What operant conditioning concepts are illustrated in this story? A) Kathy is using negative reinforcement to increase her son's screaming. B) Kathy is using punishment to suppress the screaming; her use of punishment is negatively reinforced by the cessation of screaming. C) Kathy's son probably learned how to scream by observing his parents at home, and now he is reinforced on a variable-interval schedule of reinforcement. D) Kathy's son probably learned how to scream by observing his parents at home, and now he is reinforced on a fixed-ratio schedule of reinforcement.
Keeping a participant unaware of the purpose of the study in which they are participating is one way to help reduce the ___________ effect in research
a. placebo b. observer-expectancy c. subject-expectancy d. demand
Neurological research has revealed that the area of the brain called the __________ cortex, which is involved in physical pain, is actually activated when we have an experience of being excluded from a group
This lends evidence to the fact that the need to belong is not just a psychological need, but that it actually has physical aspects as well. a. anterior cingulate b. distal parietal c. proximal abducens d. nucleus cureleus
Illnesses such as measles and chicken pox
A) typically do not appear until after age 3 throughout the world. B) occur at about the same rate in all countries. C) have been eradicated through mass immunization. D) occur much earlier in developing nations than in industrialized nations.