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JODHPUR AIIMS SNO-2018
Mental Health Nursing
Easy

False sensory perceptions with no basis in reality are known as?

Appeared in: JODHPUR AIIMS SNO-2018

Explanation

  • The question describes a sensory perception that has no basis in reality, meaning there is no external stimulus causing it.
  • This is the precise definition of a hallucination, which is a perception-like experience that feels real but is created by the mind.
  • Hallucinations can affect any of the five senses: auditory (hearing), visual (seeing), tactile (touch), olfactory (smell), and gustatory (taste).
  • Unlike illusions, which are distortions of real stimuli, hallucinations occur in the complete absence of a corresponding stimulus.

Why Other Options Were Wrong

  • Option A: Delusions are disorders of thought content, not perception. They are false, fixed beliefs that are held firmly despite evidence to the contrary.
  • Option B: Illusions are misinterpretations of real external stimuli. There is a basis in reality, but it is perceived incorrectly.
  • Option D: Loose associations are a disorder of the thought process, characterized by disorganized speech where ideas shift from one subject to another with no clear connection.

Related Visual

A comparative chart showing four columns for Hallucination, Illusion, Delusion, and Loose Association. Each column should have a simple icon e.g., an ear for hallucination, a d...
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Disorders of Perception in Psychiatry as background academic context rather than a clinical decision trigger.
  • A nurse's primary responsibility when a patient reports hallucinations is to assess for safety. Command hallucinations (voices telling the patient to harm themselves or others) are a psychiatric emergency requiring immediate intervention.
  • Therapeutic communication involves acknowledging the patient's experience without validating the hallucination itself. For example, say "That must be frightening for you," instead of "I don't see anything.".
  • Accurate documentation of the type, content, and frequency of hallucinations is crucial for the healthcare team to develop an effective treatment plan, which often includes antipsychotic medication.
How to Approach the Question
  • First, break down the question stem. The key phrases are "sensory perceptions" and "no basis in reality."
  • "Sensory perceptions" tells you the issue is with one of the five senses (sight, sound, etc.), immediately ruling out disorders of thought like delusions.
  • "No basis in reality" is the critical differentiator. This means there is no external stimulus at all.
  • Evaluate the options based on this: An illusion is a misinterpretation of a real stimulus. A delusion is a false belief. Loose association is a disordered thought process.
  • Only a hallucination fits the definition of a sensory experience occurring without any external, real-world input.
Concept Tested & Keywords
  • Concept Tested: Disorders of Perception in Psychiatry
  • Stem keywords: False sensory perceptions, no basis in reality
  • Lead-in keywords: are known as

Question ID

qJP62Xm6lnMrzLdACw4Ar

Reference Book

E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) pp. 3815-3817, 3250-3252

E6 Medicine Macleod Clinical Examination 15e p. 372-374

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