Which statement best reflects the apparent connection between infant temperament and attachment?
a. The infant's temperament influences the kinds of parental responses needed to help the infant form a secureattachment
b. An infant's temperament is a strong predictor of the type of attachment that will be formed.
c. The infant's temperament influences the caregiver's selfÂesteem.
d. Only sociable babies form secure attachments.
a
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__________is defined by recurrent, anxiety-provoking thoughts or images that seem irrational and beyond control and seemingly irresistible urges to engage in thoughts or behaviors that tend to reduce the anxiety
A) Obsessive-compulsive disorder B) Posttraumatic stress disorder C) Acute stress disorder D) Somatoform disorder E) Select
Samantha is about to hand Megan a notebook that contains her biological psychology notes. Which of the following correctly describes how Megan's muscles will react to the heavy notebook?
a. The weight of the notebook will cause Megan's arm muscles to contract. This information will be sensed by mechanoreceptors around her joints and sent to her spinal cord via Ib fibers. The Ib fibers will excite gamma motor neurons, which will cause her arm to contract further to adjust to the heavier weight of the book. b. The weight of the notebook will cause Megan's arm muscles to stretch. This information will be sensed by her spindles, and sent to her spinal cord by gamma motor neurons. The gamma motor neurons will inhibit the alpha motor neurons, causing her arm muscles to relax enough that she won't drop the book. c. The weight of the notebook will cause Megan's arm muscles to contract. This information will be sensed by her Golgi tendon organs, and sent to her spinal cord by Ib sensory fibers. The Ib sensory fibers will excite alpha motor neurons that will cause her arm muscles to stretch enough that she won't drop the book. d. The weight of the notebook will cause Megan's arm muscles to stretch. This information will be sensed by her spindles, and sent to her spinal cord by Ia sensory fibers. The Ia sensory fibers will excite alpha motor neurons that will cause her arm muscles to contract enough that she won't drop the book.
How many major layers are found in the lateral geniculate nucleus?
a. two b. four c. six d. eight
Meissner's corpuscles, Pacinian corpuscles, Merkel's disks, and Ruffini's endings are served by _________ fibers.
A. Alpha-alpha B. Alpha-beta C. Alpha-delta D. C