Which of the following accurately describes what happens to unused synapses in the brain?
A. Unused synapses continue to function throughout the life span.
B. Unused synapses are pruned and neurons are reserved for future use.
C. Unused synapses eventually die, leading to disorders such as dementia.
D. Unused synapses are used by the corpus callosum, leading to gains in gross motor skills.
Answer: B
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What is true of Locke's beliefs concerning the mind??
a. ?The mind neither creates nor destroys ideas. b. ?The mind arranges ideas into a finite predetermined number of configurations. c. ?The mind clarifies innate ideas. d. The mind creates simple ideas that exist independently of complex ideas.?
Mark calls his 2-year-old brother Garrett a "scaredy cat" because Garrett cries whenever someone he doesn't know approaches him. You know that Garrett is simply in Bowlby's stage of
A) orientation without discrimination. B) goal-corrected partnerships. C) orientation with discrimination. D) safe-base attachment.
Nonconscious processes occur outside of conscious awareness but are accessible to consciousness when necessary
Indicate whether this statement is true or false.
Down syndrome is also known as trisomy-21 because individuals with Down syndrome ____
a. have three distinct facial features by the 21st week of pregnancy b. show three distinct temperament patterns by the 21st week of infancy c. have a third chromosome on the 21st pair d. have 21 genes on the 3rd pair of chromosomes