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Consciousness (Physiology)

Terms in this set (32)

Which wave is when an awake, relaxed adult whose eyes are closed called?
Alpha
8-12Hz
Alpha rhythm
When a person is alert, attentive or thinking hard, the wave is called?
Beta wave
>12 Hz
Beta wave
No rapid eye movement (NREM) wave?
Theta
4-8Hz
Theta wave
What is the wave called for Slow-wave sleep?
Delta wave
<4Hz
Delta wave
Wave that combines noises and seeing objects?
Gamma wave
30-100Hz
Gamma wave
REM sleep is also called?
Paradoxical sleep
Coma is described as?
Extreme decrease in mental function due to structural, physiological, or metabolic impairment of the brain
Selective attention
Avoiding the distraction of irrelevant stimuli while seeking out and focusing on stimuli that are momentarily important
Orienting response
The person stops what he or she is doing, listens intently and turns toward the stimulus source
Preattentive processing
Directs attention toward the part of the sensory world that is of particular interest and prepares the brains perceptual processes for it.
Habituation
When a stimulus is repeated but it is found to be irrelevant, the behavioral response to the stimulus progressively decreases
Primary motivated behavior
Is the bodies response to maintain homeostasis (ie like getting a drink of water when one is thirsty)
Major neurotransmitter in the pathway that mediates the brains reward systems and motivation
Dopamine
Mood is defined as?
A pervasive and sustained inner emotion that affects a persons perception of the world
Psychological dependence
Is experienced as a "craving" for the substance and the inability to stop using the substance at will
Physical dependence
Requires one to take the substance to avoid withdraws (ie headaches, itching)
Tolerance
Means it takes more of the substance to achieve the desired affect than the first time using the substance
Learning
Is the acquisition and storage of information as a consequence of experience
Memory
Relatively permanent storage form of learned information
Memory encoding
Neural processes that change an experience into the memory of that experience
Declarative memory
Having perceived an object or event and therefore recognizing it as familiar
Procedural memory
The memory of how to do things
Working memory (aka short-term memory
Registers and retains incoming information for a short time
The process for short-term memories turning into long-term memories is called?
Consolidation
Aphasia means?
Speechlessness
Damage to the left temporal region known as "Wernicke's area" causes?
Difficulty understanding spoken or written language even though their hearing and vision are unimpaired
Damage to the frontal cortex known as "Broca's area" causes?
Expressive aphasias meaning the person will have trouble forming words and sentences, even though they understand spoken language and know what it is they want to say
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