Skip to main content
Ch. 13 The Peripheral Nervous System and Reflex Activity
Marieb - Human Anatomy & Physiology 11th Edition
Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034Not the one you use?Change textbook
Chapter 13, Problem 3

The aspect of sensory perception by which the cerebral cortex identifies the site or pattern of stimulation is
(a) perceptual detection
(b) feature abstraction
(c) pattern recognition
(d) spatial discrimination

Verified step by step guidance
1
Step 1: Understand the key terms related to sensory perception and how the cerebral cortex processes sensory information.
Step 2: Define 'perceptual detection' as the ability to detect that a stimulus has occurred, without necessarily identifying its location or pattern.
Step 3: Define 'feature abstraction' as the process by which the brain identifies specific features of a stimulus, such as texture or shape.
Step 4: Define 'pattern recognition' as the ability of the cerebral cortex to identify familiar patterns or complex stimuli based on previous experience.
Step 5: Define 'spatial discrimination' as the ability to identify the specific site or location of a stimulus on the body, which directly relates to identifying where the stimulation occurs.

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Spatial Discrimination

Spatial discrimination is the ability of the cerebral cortex to identify the exact location or pattern of a sensory stimulus. It allows the brain to distinguish where on the body or in the environment a sensation originates, which is crucial for interpreting tactile information accurately.
Recommended video:
03:50
Summation

Perceptual Detection

Perceptual detection refers to the process of sensing that a stimulus has occurred, without necessarily identifying its specific features or location. It is the initial awareness that something has been sensed, forming the basis for further sensory processing.
Recommended video:
2:48
Circuit Level & Perceptual Level

Pattern Recognition

Pattern recognition is the brain's ability to identify complex sensory inputs by comparing them to stored memories or templates. This process helps in recognizing familiar objects, sounds, or textures by analyzing their overall structure rather than just individual features.
Recommended video:
4:24
Pattern Recognition Receptors