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What is sensory reception?
The process of receiving data about the external or internal environment through the senses
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What are the 5 sense?
- Visual
- Auditory
- Olfactory
- Gustatory
- Tactile
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What is stereognosis?
the sense that percieves the solidarity of objects and their size, shape and texture
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What is kinesthesia?
the awareness of positioning of body parts and body movement
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What is proprioception?
the subconscious awareness of the movements and position of body parts independant of vision
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What is Sensory perception?
The conscious process of selecting, organizing, and interpretation data from the sense into meaningful information
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What does the reticular activating system (RAS) do?
mediates arousal
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What parts of the brain are part of the reticular activiating system?
the hypothalamus and medulla
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What is sensoristasis?
the optimal arousal state of the reticular activating system
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What are the 7 states of conscious arousal?
- Delirium
- Dementia
- Confusion
- Normal consciousness
- Minimally conscious states
- Locked-in Syndrome
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What are the 4 states of unconscious arousal?
- Asleep
- Stupor
- Coma
- Vegetative state
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What is defines delirium?
- Disorientation
- Resltlessness
- Confusion
- Hallucinations
- Agitation
- alternating with other conscious states
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What defines Dementia?
- Difficulties with spatial awareness, memory, languages
- changes in personality
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What defines Confusion?
- Reduced awareness
- Easily distracted
- easily startled by sensory stimuli
- Alternates between drowsiness and excitability
- Resembles minor form of delirium
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What defines normal consciousness?
- Aware of self and external environment
- well oriented
- responsive
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What defines somnolence?
- Extreme drowsiness
- Will respond normally to stimulus
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What defines minimally conscious state?
- part consciousness
- sleep-wake cycles present
- some motor function including automatic movements
- inconsistantly follows commands
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What defines Locked-in Syndrome?
- Full consciousness
- sleep-wake cycles present
- quadriplegic
- auditory and visual functions preserved
- emotion preserved
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What defines te asleep state?
Can be aroused by normal stimuli
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What defines the stupor state?
Can be aroused by extreme and/or repeated stimuli
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What defines the coma state?
Cannot be aroused and does not respond to stimuli
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What defines a vegetative state?
- Cannot be aroused
- sleep-wake cycles present
- postures of withdraws from noxious stimuli
- occasional nonpurposeful movement
- random smiling or grimacing
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What is adaptation as it applies to the senses?
the subconscious state of ingoring repeated stimuli
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What is sensory deprivation?
when a person experiences decreased sensory input or input that is monotonous, unpatterned or meaningless
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What is sensory overload?
when a person experiences so much sensory stimuli that the brain is unable to either respond meaningfully or ignore the stimuli.
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What is sensory deficit?
impaired or absent functioning in one or more senses
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What is Disturbed Sensory Function?
A state in which the individual or group experiences or is at risk for a change in the amount, pattern or interpretation of incoming stimuli
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What is Acute Confusion?
the abrupt onset of confusion
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What is Chronic Confusion?
an irreversible, long-standing or progressive deterioration of intellect or personality
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What is Impaired Memory?
The state in which an individual is unable to remember bits of information or behavior skills
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