Meditation
A mental exercise that trains attention and awareness
What is meditation?
Drug that suppresses central nervous system activity.
What is a depressant?
Our awareness of internal and external stimuli.
What is consciousness?
Biological and circadian rhythms.
What regulates our consciousness?
The event in which an individual fails to recognize an unexpected stimulus
In Ancient India 3000-1500 B.C.E.
When was meditation first practiced?
Drug that tends to increase overall levels of neural activity; includes caffeine, nicotine, amphetamines, and cocaine.
What is a stimulant?
Any object or event that elicits a response
what is a stimulus?
Period of sleep characterized by brain waves very similar to those during wakefulness and by darting movements of the eyes under closed eyelids
What is REM (Rapid Eye Movement)
Smell, hearing, touch, taste, sight
What are the sense organs?
Bundles of axons
What is white matter?
Changes in normal bodily functions that cause a drug user to experience withdrawal symptoms upon cessation of use
What is physical dependence?
Heraclitus
Who said, You cannot step in the same river twice
Sleep disorder defined by episodes during which breathing stops during sleep.
What is sleep apnea?
The smallest intensity of a stimulus that must be present for it to be detected
What is the Absolute Threshold?
Cell bodies, axon terminals, dendrites, and synapses
What is grey matter?
Drugs that results in profound alterations in sensory and perceptual experiences, often with vivid hallucinations.
What is a Hallucinogen?
An organized unit of knowledge for a subject or event
What is a schema?
Sleep disorder in which the sufferer cannot resist falling to sleep at inopportune times
What is narcolepsy?
Proportion at which we notice change
What is Weber's Law
Increases perspective taking and decrease in anxiety and depression
What does meditation do?
Prescribed for pain and FDA approved. A leading cause of substance overdose death 1999 to 2021.
What is Fentanyl?
The neural network organizes a response based on conditions in current moment.
What is the uncentered brain theory?
rapid burst of high frequency brain waves during stage 2 sleep that may be important for learning and memory
What are Sleep spindles?
An adjustment in sensory capacity after prolonged exposure to unchanging stimuli
What is adaptation?