Describes our awareness of internal and external stimuli
What is consciousness?
Aligned with the outside world
What are circadian cycles?
Refers to the fact that a sleep-deprived individual will fall asleep more quickly during subsequent opportunities for sleep
What is sleep rebound?
Involves changes in normal bodily functions
What is physical dependence?
A state of extreme self-focus and attention
What is hypnosis?
A state marked by relatively low levels of physical activity
What is sleep?
Regulator of sleep-wake cycles
What is hormone melatonin?
Results in disruptions in cognition and memory deficits
What is sleep deprivation?
An emotional, rather than physical, need for a drug
What is psychological dependence?
The act of focusing on a single target
What is meditation?
Characterized by high levels of sensory awareness, thought, and behavior
What is wakefulness?
An endocrine structure located inside the brain that releases melatonin
What is the pineal gland?
Another theory regarding why we sleep involves sleep’s importance for cognitive function and memory formation
A drug that tends to suppress central nervous system activity.
What is a depressant?
The meditator’s attention is focused on an internal process
What is mindfulness?
Internal rhythms of biological activity
What are biological rhythms?
The brain’s control of switching between sleep and wakefulness
What is sleep regulation?
A discipline that studies how universal patterns of behavior and cognitive processes have evolved over time as a result of natural selection
What is evolutionary psychology?
Drugs that tend to increase overall levels of neural activity
What is a stimulant?
Its roots are in religious practices
What are meditative techniques?
The tendency to maintain a balance, or optimal level, within a biological system
What is homeostasis?
A collection of symptoms that results from the mismatch between our internal circadian cycles and our environment
What is jet lag?
A discipline that studies how universal patterns of behavior and cognitive processes have evolved over time as a result of natural selection
What is evolutionary psychology?
Geelings of intense elation and pleasure
What is a euphoric high?
A category of drugs that has strong analgesic properties
What is an opiate?