The process to attend and react to a stimulus is known as?

IGNOU Post B. SC. Nursing entrance-2019

Applied Psychology

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Appeared in: IGNOU Post B. SC. Nursing entrance-2019

Explanation

Sensation is the initial physiological process where sensory receptors detect a stimulus from the environment.
It involves the transduction (conversion) of physical energy, such as light or sound waves, into neural impulses.
This process is the first and most fundamental step before the brain can organize or interpret the information (perception).
The question asks for the process to 'attend and react,' which begins with the initial detection provided by sensation.

Option A: Perception is the subsequent process of organizing, identifying, and interpreting sensory information to form a mental representation. It happens after sensation.
Option B: Elaboration is a cognitive process related to memory, where new information is actively linked to existing knowledge to improve retention. It is not part of the initial sensory pathway.
Option C: Interpretation is a key component of perception, not a separate initial process. It is the step where meaning is assigned to the sensory data that has been organized by the brain.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain The difference between sensation and perception in cognitive psychology as background academic context rather than a clinical decision trigger.
In nursing, assessing a patient's sensation (e.g., response to light touch, pinprick, temperature) is a critical part of a neurological examination.
Deficits in sensation can be an early sign of serious conditions like diabetic neuropathy, spinal cord injury, or stroke, requiring prompt intervention.
What if? A patient can feel a pinprick on their hand (intact sensation) but cannot identify the object as a pin when holding it with their eyes closed. This points to a deficit in perception (specifically stereognosis), suggesting a problem with brain processing rather than the peripheral nerves.

How to Approach the Question

First, identify the core concepts in the question: 'attend and react' and 'stimulus'. This points to the fundamental way we interact with our environment.
Recognize that this is a definition-based question requiring you to differentiate between closely related psychological terms.
Break down the process: The first step is always detecting the stimulus, and the next step is making sense of it.
Match the options to these steps. 'Sensation' is the term for the initial detection.
Eliminate 'Perception' and 'Interpretation' as they relate to the later step of making sense of the stimulus.
Eliminate 'Elaboration' as it is a memory-related term, not a sensory one.

Concept Tested & Keywords

Concept Tested: The difference between sensation and perception in cognitive psychology.
Stem keywords: process, attend, react, stimulus
Lead-in keywords: is known as

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