Delusion is a disorder of?

RRB Staff Nurse Mumbai-2015

Mental Health Nursing

Easy

Appeared in: RRB Staff Nurse Mumbai-2015

Explanation

Delusion is classified as a disorder of thought, specifically affecting the content of thought.
It is defined as a fixed, false belief that is resistant to logical reasoning or evidence to the contrary.
Examples include delusions of persecution (believing one is being harmed), grandeur (believing one is exceptionally powerful or important), and reference (believing that neutral events have a special personal meaning).
Psychotic disorders, where delusions are a core symptom, are primarily considered thought disorders.

Option B: Memory disorders involve the inability to recall past events (amnesia) or the fabrication of memories to fill in gaps (confabulation). Delusions are false beliefs about the present or future, not distortions of past events.
Option C: Perception disorders involve the misinterpretation of sensory stimuli (illusions) or sensory experiences without a stimulus (hallucinations). A delusion is a false belief, not a false sensory experience.
Option D: Intellect refers to the general capacity for reasoning and understanding. While a person with delusions may use their intellect to rationalize their false beliefs, the delusion itself is a disorder of thought content, not a global deficit in intellectual ability.

Visual 1: Flowchart: A flowchart differentiating between disorders of thought (delusion), perception (hallucination), and memory (amnesia), showing how each relates to a different stage of cognitive processing.
Visual 2: Infographic: A visual guide to common types of delusions (e.g., persecutory, grandiose, somatic) with simple icons and definitions for each.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of Delusion as background academic context rather than a clinical decision trigger.
Nurses must recognize that delusions are a symptom of an underlying illness and are not amenable to logical argument. Directly challenging a patient's delusion can damage the therapeutic relationship and increase agitation.
The nursing priority is to build trust, respond to the feelings associated with the delusion (e.g., fear, distress), and ensure the safety of the patient and others, especially if the delusions are persecutory or command in nature.
What if? If a patient has a somatic delusion (e.g., believing their organs are rotting), the nurse should not dismiss the complaint but should address the underlying anxiety while also performing necessary physical assessments to rule out actual medical issues without reinforcing the delusion.

How to Approach the Question

First, define the key term in the question: 'Delusion'. Recall its definition as a fixed, false belief.
Next, consider the options provided, which are different domains of mental function: thought, memory, perception, and intellect.
Analyze how a delusion fits into these categories. A belief is a type of thought.
Differentiate from the other options. A delusion is not a sensory experience (perception), a problem with recall (memory), or a global deficit in reasoning ability (intellect).
Conclude that delusion is a disorder of thought content.

Concept Tested & Keywords

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