Describe the major divisions of the nervous system and their subdivisions
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The central nervous system is made up of the brain and spinal cord. From the bottom of the brain emerges the spinal cord, which is made up of neurons and bundles of axons and dendrites that carry information back and forth between the brain and the body.
The peripheral nervous system includes all the nerves that extend from the spinal cord and carry messages to and from various muscles, glands, and sense organs located throughout the body.
Subdivisions of the Peripheral Nervous System
The somatic nervous system consists of a network of nerves that connect either to sensory receptors or to muscles that you can move voluntarily, such as muscles in your limbs, back, neck, and chest.
The autonomic nervous system regulates heart rate, breathing, blood pressure, digestion, hormone secretion, and other functions. The autonomic nervous system usually functions without conscious effort, which means that only a few of its responses, such as breathing, can also be controlled voluntarily.
Subdivisions of the Autonomic Nervous System
The sympathetic division, which is triggered by threatening or challenging physical or psychological stimuli, increases physiological arousal and prepares the body for action.
The parasympathetic division returns the body to a calmer, relaxed state and is involved in digestion.
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Why have many experiments somewhat underestimated people's ability to recognize facial expressions of emotion? a. They used photographs in which all faces were posed looking in different directions. b. They used photographs in which all faces were posed looking straight at the camera. c. They gave people a list of emotions and asked them to match faces to the list
d. They asked for fine distinctions, such as the difference between guilt and shame.
Explain and give examples of the processes of autonomy-supportive parenting and gatekeeping.
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In order to calculate a percentile rank, you need to know a. how many cases are below the score of interest. b. whether the distribution is normal or skewed. c. the standard deviation of the scores
d. the nature of the underlying scale.
During a visit to the local museum, you appreciate the incredible beauty of the paintings displayed. Your ability to see the paintings as complete pictures rather than individual, disconnected dots of color, texture, and location occurs through a process called __________.
A. contiguity B. proximity C. accommodation D. binding