Psychobiology: Y2 LCRS 2: Attention and Perception
This flashcard set defines sensation and perception, highlighting how we detect and interpret sensory information. It explains the difference between bottom-up and top-down processing, and introduces perceptual schemas as mental frameworks that shape how we perceive stimuli.
What is sensation?
The stimulus detection process by which our sense organs respond to and translate environmental stimuli into nerve impulses that are sent to the brain
Key Terms
What is sensation?
The stimulus detection process by which our sense organs respond to and translate environmental stimuli into nerve impulses that are sent to the br...
What is perception?
The active process of organising the stimulus output and giving it meaning
Explain the difference between top-down and bottom-up processing.
Bottom-up processing = a process that consists of recognising and processing information from individual components of a stimulus and constructing ...
What are perceptual schemas?
A component of top-down processing – schemas provide mental templates that allow us to identify and classify sensory input, as each of our percepti...
What is assimilation?
Incorporating new experiences into existing schema
What is accommodation?
The difference made by the process of assimilation
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| Term | Definition |
|---|---|
What is sensation? | The stimulus detection process by which our sense organs respond to and translate environmental stimuli into nerve impulses that are sent to the brain |
What is perception? | The active process of organising the stimulus output and giving it meaning |
Explain the difference between top-down and bottom-up processing. | Bottom-up processing = a process that consists of recognising and processing information from individual components of a stimulus and constructing a perception of the whole |
What are perceptual schemas? | A component of top-down processing – schemas provide mental templates that allow us to identify and classify sensory input, as each of our perceptions is essentially a hypothesis about the meaning of the sensory information |
What is assimilation? | Incorporating new experiences into existing schema |
What is accommodation? | The difference made by the process of assimilation |
Describe Humphrey and Riddoch’s hierarchical model of object recognition. | Visual perceptual analysis (knowing it is something) |
What is a critical period in perception development? | An important stage in the lifespan where one acquires a particular developmental skill, which is indispensable in their life span and can influence later development |
What are the factors affecting perception of physical symptoms? | Attention |
What are the two different types of attention and how are they different? | Focused attention – ability to respond discretely to specific visual, auditory and tactile stimuli |