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Food and Nutrition Exam 3
chpater 10
46
Science
Undergraduate 1
04/07/2010

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Term
stress
Definition
the tension, discomfort, or physical symptoms that arise when a stressor strains our ability to cope effectively
Term
traumatic event
Definition
an event so severe that it has the potential to produce long-term psychological or health consequences
Term
stressors as stimuli
Definition
varied reactions to the same event suggest that we can view stress as a transaction between people and their enviornments
Term
stress as a transaction
Definition
focuses on identifying different types of stressful events
Term
stress as a response
Definition
people's psychological and physical reaction to stressful circumstances
Term
trend and befriend
Definition
stress reaction that mobilizes people and animals to nurture or seek social support when faced with a potentially dangerous situation
Term
posttraumatic stress disorder (PTSD)
Definition
a condition that sometimes follows extremely stressful life events
Term
flashbacks
Definition
vivid memories, feelings, and images of traumatic experiences
Term
immune system
Definition
our body's defense invading bacteria, viruses, and other potentially illness-producing organisms and substances
Term
antigens
Definition
organisms that invade the body
Term
pathogens
Definition
disease-producing organisms
Term
psychoneuroimmunology
Definition
the study of the relationship between the immune system and the central nervous system
Term
type A personality
Definition
competitive, hard-driving, ambitious, and impatient
Term
type B personality
Definition
more calm and mellow than type A personality
Term
behavioral control
Definition
the ability to step up and do something to reduce the impact of a stressful situation
Term
cognitive control
Definition
the ability to cognitively restructure or think differently about negative emotions that arise in response to stress-provoking events
Term
decisional control
Definition
the ability to choose among alternative courses of action
Term
informational control
Definition
the ability to acquire information about a stressful event
Term
emotional control
Definition
the ability to suppress and express emotions
Term
catharsis
Definition
disclosing painful feelings
Term
crisis debriefing
Definition
a single-session procedure, typically conducted in groups, designed to ward of PTSD
Term
hardiness
Definition
hardy people view change as a challenge rather than a threat, are committed to their life and work, and believe they can control events
Term
optimism
Definition
optimistic people are more productive, focused, persistent, and better at handling frustration than pessimists
Term
psychoactive drugs
Definition
chemicals similar to those found naturally in our brains that after consciousness by changing chemical processes in neurons
Term
stimulants
Definition
increase heart rate, respiration, and blood pressure (tobacco, cocaine, amphetamines)
Term
opiate
Definition
relieve pain, induce sleep (heroin, morphine, codeine)
Term
psychedelic drugs
Definition
marijuana and LSD
Term
sedatives and hypnotics
Definition
prescribed for insomnia or anxiety (1.barbiturates-seconal 2. nonbarbiturates-quaalude 3. benzodiazepines)
Term
behavioral medicine
Definition
a rapidly growing field that's contributed to our understanding of the influences of stress and biological, social, and behavioral factors on physical disorders and their treatment
Term
alternative medicine
Definition
health care practices and products used in place of conventional medicine
Term
complementary medicine
Definition
products and practices that are used along with conventional medicine (acupuncture and meditation)
Term
consciousness
Definition
our subjective experience of the world, our bodies, and our mental perspectives
Term
circadian rhythm
Definition
cyclical changes that occur on a roughly 24-hour basis in many biological processes
Term
biological clock
Definition
the SCN (suprachiasmatic nucleus) of the hypothalamus triggers our sense of fatigue
Term
non-REM
Definition
no eye movements, less dreaming (1. light sleep, may contain hypnagogic imagery, hypnic myoclonia 2. sleep spindles, K-complexes, theta waves 3 & 4. deeper sleep, delta waves
Term
REM
Definition
paradoxical sleep (5. eye movements, vivid dreaming)
Term
REM dreams
Definition
more dreams; emotional, illogical, prone to plot shifts
Term
non-REM dreams
Definition
short dreams; more thought-like, repetitive, and concerned with daily tasks
Term
lucid dreaming
Definition
experience of becoming aware that one is dreaming
Term
activation-synthesis theory
Definition
dreams reflect brain activation originating in the pons, followed by efforts of the forebrain to weave these inputs into a story
Term
neurocognitive perspective
Definition
argues that dreams reflect ore than brain activation, and that we must consider our cognitive capacities
Term
insomnia
Definition
difficulty falling and staying asleep
Term
narcolepsy
Definition
rapid and unexpected onset of sleep
Term
sleep apnea
Definition
blockage of airway during sleep
Term
night terrors
Definition
during stages 3 and 4, sudden waking episodes characterized by screaming, perspiring, and confusion followed b a return to a deep sleep
Term
sleepwalking
Definition
usually occurs during non-REM sleep
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