A cortical cell originally responded to stimulation of the middle finger. After amputation of that finger, it begins responding to the second and fourth fingers. Which action most likely accounts for this?
a. synaptic reorganization
b. growth of completely new axons
c. altered pattern of blood vessels in the brain
d. a psychotic reaction
a
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One of the physiological factors underlying the development of eating disorders is a dysregulation in the serotonin and dopamine systems
Indicate whether the statement is true or false
The visual cliff apparatus tests infants' sensory abilities. What, specific aspect of the infant's sensory abilities does the device allow us to study?
a. Depth perception b. Color vision c. Sound discrimination d. Visual discrimination e. Visual tracking
Urvashi decides to help her friend find her lost cat because her friend is likely to give her a reward. This is an example of a. prosocial behavior
b. altruism. c. empathy. d. simple social play.
Children with disruptive mood dysregulation disorder are most at risk for later developing
a. Bipolar disorder b. Depressive and anxiety disorders c. Psychotic disorders d. Psychopathic personality traits