Alpha motor neurons receive input from
a. neurons in muscle spindles only
b. neurons in muscle spindles and Golgi tendon organs.
c. spinal interneurons and neurons of the brainstem and motor cortex.
d. neurons in muscle spindles and Golgi tendon organs, neurons of the brainstem and motor cortex, and spinal interneurons.
d
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Reorganization of neural circuitry in the ____ during adolescence accounts for teenagers' improved capabilities in advanced cognitive skills
a. brain stem b. thalamus c. hypothalamus d. prefrontal cortex
A blood disorder that gets its name from the shape of the red blood cells in those who have it is called
a. Tay-Sachs c. sickle-cell anemia b. Down syndrome d. fragile X
According to the text, play with physical objects, such as bouncing a ball, appears to:
a. help them increase their knowledge of the world b. lessen the distinction that children make between "pretend" and "real" c. be used equally by boys and girls d. increase aggressiveness
Grant is in the third grade and is enthusiastic about learning in school. Other than recess, he enjoys reading books, doing his math homework, and learning new spelling words. He is also confident in his ability to accomplish goals that he has set for himself. Grant is in Erikson's __________ stage.
A. autonomy vs. shame and doubt B. industry vs. inferiority C. trust vs. mistrust D. initiative vs. guilt