A whistle that gives a sound so high that it can only be heard by dogs, but not humans, exploits which aspect of the auditory system?
A) Loudness
B) Timbre
C) Pitch
D) Decibels
Answer: C
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Synaptic density reaches a peak in __________ in language areas of the brain as well as the prefrontal cortex and then declines by adulthood due to pruning of unused synapses.
A. infancy B. early childhood C. middle childhood D. adolescence
A genetic mutation caused by an error in replicating or repairing a gene is called:
a. cerebellar ataxia. b. a Mendelian disease. c. gene duplication. d. a transcription factor.
Encoding failure is usually the result of which type of memory being disrupted by distractions?
a. eidetic b. short-term c. long-term d. implicit
What was Piaget trying to explain in his cognitive development theory?
A. The process for how the capacity for logical thought develops B. Reasons why some children are mathematically gifted C. Individual differences in learning styles D. The process for how culture influences cognition