-
Consciousness
- The awareness of internal and external stimuli.
- 1. awareness of external events
- 2. awareness of internal sensations
- 3. awareness of "self" as the unique being having these experiences.
- 4. awareness of thoughts about these experiences.
-
electroencephalograph (EEG)
a device that monitors the electrical activity of the brain over time by means of recording electrodes attached to the surface of the scalp.
-
Biological Rhythms
Periodic fluctuations in physiological functioning.
-
Circadian Rhythms
24-hour biological cycles found in humans and many other species.
-
Electromyograph (EMG)
Records muscular activity and tension
-
Electrooculograph (EOG)
Records eye movements
-
Electrocardiograph (EKG)
Records the contractions of the heart.
-
Slow-Wave sleep
Consists of sleep stages 3 and 4 during which low-frequency delta waves become prominent in EEG recordings.
-
REM sleep
Deep stage of sleep marked by rapid eye movements, high-frequency brain waves, and dreaming.
-
Non-Rem (NREM) Sleep
Consists of sleep stages 1-4, which are marked by an absence of rapid eye movements, relatively little dreaming, and varied EEG activity.
-
Insomnia
- Refers to chronic problems in getting adequate sleep
- 1. Difficulty in falling asleep initially.
- 2. Difficulty in remaining asleep
- 3. Persistent early-morning awakening.
-
Narcolepsy
- a disease marked by sudden and irresistible onsets of sleep during normal waking periods.
- - Directly from wakefulness into REM sleep
-
Sleep Apnea
Involves frequent, reflexive gasping for air that awakens a person and disrupts sleep.
-
Somnambulism
Sleep walking, occurs when a person arises and wanders about while remaining asleep.
-
Hypnosis
A systematic procedure that typically produces a heightened state of suggestibility.
-
Dissociation
a splitting off of mental processes into two separate, simultaneous streams of awareness
-
Meditation
Refers to family of practices that train attention to heighten awareness and bring mental processes under greater voluntary control.
-
Psychoactive Drugs
Chemical substances that modify mental, emotional, or behavioral functioning.
-
Narcotics
- or opiates, are drugs derived from opium that are capable of relieving pain.
- Ex: Heroin and Morphine.
-
Sedatives
- Sleep-inducing drugs that tend to decrease central nervous system activation and behavioral activity.
- Ex: consume larger doses than prescribed for medical purposes.
-
Stimulants
- Drugs that tend to increase central nervous system activation and behavioral activity.
- Ex: caffine, nicotine, cocaine.
-
Hallucinogens
- Diverse group of drugs that have powerful effects on mental and emotional functioning, marked most prominently by distortions in sensory and perceptual experience.
- Ex: LSD
-
Cannabis
The hemp plant from which marijuana, hashish, and THC are derived.
-
Alcohol
- Encompasses a variety of beverages containing ethyl alcohol.
- Ex: Beer, wine
-
MDMA
or ecstasy, is a compound drug that is related to both amphetamines and hallucinogens, especially mescaline.
-
Tolerance
- refers to a progressive decrease in a persons responsiveness to a drug as a result of continued use.
- - leads to ppl consuming larger and larger doses.
-
Physical Dependence
Exists when a person must continue to take a drug to avoid withdrawal illness.
-
Psychological Dependence
Exists when a person much continue to take a drug to satisfy intense mental and emotional cravings.
|
|