Perception (from the Latin perceptio) is the organization, identification, and interpretation of sensory information in order to represent and understand the presented information, or the environment.

21. Difference between illusion and
Hallucination
ILLUSION HALLUCINATION
In illusion there will always be one or
more stimuli.
In hallucination, external stimulus is
completely absent.
Objective Subjective
Stimulus is present Stimulus is not present
Normal or universal Abnormal
Mistaken perception False perception.

22. Nursing Implications
• Accurate perception and observations
are important for a nurse to provide
quality care to the patient.
• All nursing activities require accurate
observation and perception. For e.g.
Checking vital signs, assessing patient,
administering medications etc.
• If nurses will not be critical observer
then they may miss some critical
important symptoms of patient

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