Ch. 5 - Consciousness Flashcards
Consciousness definition
the awareness of internal and external stimuli - how psychology started— what you are aware of, best interpretation so subjective
Consciousness includes (4)
- Awareness of external events
- Awareness of internal sensations (heart racing)
- Awareness of self as the unique human being having these experiences – reflect on yourself (searching your memory)
- Awareness of your thoughts about these experiences (“I’m going to make a fool of myself”)
Self awareness is…
when making sense of the world you are the center - few animals have this— tested by putting dots on babies noses and if they try to get it off they are self aware
Levels of consciousness include: (3)
- Conscious level
- Preconscious level
- Unconscious level
With levels of consciousness, Freud argued that…
Freud was also the first to…
people’s feelings and behavior are influenced by unconscious needs, wishes, and conflicts that lie below the surface of conscious awareness
— conscious and unconscious processes are different levels of awareness
— first to recognize that consciousness is not an all-or-none phenomenon
EEG monitors…
device that monitors the electrical activity of the brain over time by means of recording electrodes attached to the surface of the scalp
Conscious level is when…
one is aware of events and mental processes
Preconscious level is when…
mental events are outside of awareness but can easily be brought into awareness
Unconscious level is when…
mental events are actively kept out of consciousness
Biological rhythms are… Aka:
periodic fluctuations in physiological functioning – also referred to as “biological clocks”
A Circadian rhythm is a…
Mostly influential in…
Daily cycles also produce… and affect…
24-hour biological cycles found in humans and many other species
—Mostly influential in sleep
—Daily cycles also produce rhythmic variations in blood pressure, urine production, hormonal secretions, and other physical functions – also affect alertness, short-term memory, and other cognitive performance aspects – sleep and wake cycle – all mammals have this
Sleep is defined by … which is measured by an…
defined by brain waves (measured by EEG)
EMG records…
records muscular activity and tension
EOG records…
records eye movements
EKG records…
records contractions of the heart
REM sleep is the ___ stage of sleep marked by… (3)
deep stage of sleep (NOT RLLY A STAGE) marked by rapid eye movements, high frequency brain waves, and dreaming
non-REM sleep consists of…
consists of sleep stages 1-3 which are marked by the absence of rapid eye movements, dreaming occurs, and varied EEG activity
Awake sleep includes ___ waves, high/low frequency, high/low voltage
Drowsy sleep includes ___ waves and are…
Beta waves → high frequency, low voltage
Alpha waves → Relaxing, meditating