Definition:what’s going on inside and outside our bodies
Attention: concentrating
mind wondering focusing on unrelated tasks (15-50% of the time
EKG (encephalograph): measures electro impulses in the brain waves differ in height or amplitude and
width or frequency
Biological rhythms: rhythms that monitor passages of time
Circadian Rhythms are the 24 hour biological cycles, that affect vitals
Stages of sleep
Stage 1: 1-7 min, where the body slows down vitals , and theta waves increase
Stage 2: EEG activity is mixed , with higher in amplitude and slower in frequency & sleep spindles
Stage 3 & 4: low-frequency delta waves are present
Stage 5: REM sleep, where dreaming occurs & person is very relaxed
Non-REM: repeated 4 times, no eye movement
Brain
Pons: used for REM sleep
ascending reticular activating system (ARAS) : for psychological arrousal
Hypothalamus: sleep & wakefulness
Sleep disorders
Sleep deprivation
Can interfere with daily tasks
Insomnia
These people believe they are not getting enough sleep but actually they are
Treated with sedatives
Narcolepsy
Sudden sleep during being awake
Treatment: Stimulant drugs
Sleep apnea
Stop breathing while sleeping
Treatment: surgery or medication
Nightmares
Awaking with anxiety while sleeping
Treatment: counselling
Night terrors
Awake from NREM from panicking
Treatment:may not be necessary
Somnambulism
wondering around while sleeping
Treatment: Lock door avoid dangers
REM sleep behaviour disorder (RBD)
Caused by brainstem deterioration
Hypnosis
enhanced relaxation, narrowed attention, and enhanced fantasy
10-20% of people cannot get hypnosis
hypnotic susceptibility: is your threshold to be put under hypnosis
Easy to hypnosis: Absorption: block out everything else, Dissociation: Can separate
parts of their perception, memory, Suggestibility: accept directions from others
Effects: Anesthesia, hallucinations, and Disinhibition
Meditation
Focusing ones mind & relaxing
Proven to slow vitals for maximum relaxation
lower levels of stress hormones and better immune functioning
Psycho drugs
Opiates
a sense of euphoria
Elevate dopamine activity
Sedatives
Make people sleepy & depress CNS
Stimulants
euphoric but energetic and very alert
Hallucinogens
dreamlike experiences, including euphoria & nightmares by increasing sensory awareness