Sensory, Attentional and Perceptual Processes
Madhya Pradesh Board · Class 11 · Psychology
Quick revision notes for Sensory, Attentional and Perceptual Processes — Madhya Pradesh Board Class 11 Psychology. Key concepts, formulas, and definitions for last-minute revision.
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Key Topics to Revise
1. Knowing the World Through Senses
- Knowledge of the world begins with sense organs.
- Human beings have seven sense organs in total: eyes, ears, nose, tongue, skin, kinesthetic system, and vestibular system.
- The five external sense organs are eyes, ears, nose, tongue, and skin.
2. Attention: Selection and Focus
- Attention is the process through which certain stimuli are selected from a group of others.
- Attention includes alertness, concentration, and search.
- Attention has a focus and a fringe.
3. Theories of Selective Attention
- Broadbent developed filter theory in 1956.
- Filter theory says many stimuli enter the sensory system and create a bottleneck.
- Only one stimulus passes through the selective filter for higher processing.
4. Span of Attention and ADHD
- Span of attention is the number of items one can attend to at brief exposure.
- Miller reported that span of attention varies within seven plus or minus two.
- This is popularly known as the magic number.
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