People with facial agnosia cannot
a. speak in a coherent manner.
b. recognize familiar faces.
c. move their facial muscles.
d. feel sensations in their faces.
B
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Scientists have created a strain of "smart mice" by manipulating the genes that guide:
A) the brain's reward pathway. B) the development of Wernicke's area. C) hippocampal development. D) the development of the orbitofrontal cortex.
Tetrodotoxin from puffer fish interferes with the formation of action potentials by blocking a. voltage-dependent sodium channels
b. voltage-dependent potassium channels. c. ligand-gated sodium channels. d. ligand-gated potassium channels.
Which of the following statements refers to a widely held scientific belief in the 1950s?
A. The brain was relatively inactive during sleep. B. Dreams occurred in the passive state of sleep. C. Dreaming happened in the inactive stage of sleep. D. The brain was active throughout sleep.
The first neurons to be affected in Alzheimer's disease are cells that release
a. serotonin. b. dopamine. c. beta amyloid. d. acetylcholine.