One-year-old Jameson sits on the sidewalk picking up blades of grass left after his mother mows the lawn. Jameson is using
A) the pincer grasp.
B) the ulnar grasp.
C) the palmar grasp.
D) prereaching.
A
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It is unlikely that being securely attached in infancy is the cause for children to be securely attached in childhood or causes them to be more socially competent or intellectually advanced at age 12 or later on
Indicate whether the statement is true or false
Which of the following best characterizes how axons arrive at the correct target cells?
A. They follow electrical gradients. B. They follow chemical gradients from the target cell. C. Axons send out chemicals to the target cells. D. Target cells send out branches for the axons to follow.
Critics assert that sociobiologists overemphasize the
a. effect of cultural practices on behavior. b. importance of atypical behavior such as acts of altruism. c. role of environmental factors. d. relevance of research with non-human animals. e. lack of relatedness between species.
A cerebral hemorrhage
A. usually does not cause much damage. B. produces milder symptoms than ischemia. C. usually does not produce noticeable behavioral symptoms. D. is frequently fatal due to interfering with the blood supply to neurons and leading to neuron dehydration.