Chapter 1 of 10
Revision Notes
Sensation, Attention and Perception — Revision Notes
Gujarat Board · Class 12 · Psychology
Sensation, Attention and Perception revision notes for Gujarat Board Class 12 Psychology: 4 topics in quick points.
5 concepts
Interactive on Super Tutor
Studying Sensation, Attention and Perception? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for revision notes and more.
Free trial, no card needed.
Key Topics to Revise
1
Sensation: Meaning, Definition and Receptors
- Sensation is defined as 'an experience arising from excitation of sensory organs by stimuli from the external or internal environment'.
- Sensation is a change in consciousness that arises when excitation reaches the sensory centres in the brain.
- The sequence is: Stimulus → Sense Organ → Afferent Nerves → Brain → Sensation.
2
Types of Sensations
- There are five types of sensations based on the five sensory organs: Visual, Auditory, Olfactory, Gustatory, and Touch.
- VISUAL SENSATION: Vision has the most important role in human life. The key components are: Sclera (tough white outer layer), Iris (coloured area with ciliary muscles), Pupil (hole in the centre of th
- The pupil contracts in bright light (ciliary muscles expand) and dilates in dim light (ciliary muscles contract).
3
Attention: Meaning, Definition and Nature
- Attention is the process of selecting a definite stimulus from many available stimuli and concentrating on it.
- The surrounding world has several stimuli but only a few enter the brain through the senses at any given time.
- Attention involves physical, bodily and mental adjustment simultaneously.
4
Characteristics (Nature) of Attention
- SELECTIVE: Attention is selective, voluntary, and intuitive. Out of many stimuli, an individual selects only a few and ignores others. Example: While watching a film, women focus on the heroine's clot
- ADJUSTIVE: Attention involves psychophysical adjustment — physical, bodily, and mental adjustments. Example: Squinting to see distant objects, shading eyes from bright light.
- EXPLORATIVE: Attention is purposive and involves keen observation, exploration, and manipulation of the stimulus before focusing. Example: Examining a saree in a shop — checking design, colour, and qu
Get complete notes with diagrams and examples
Full NotesKey Concepts
Sensation is defined as a consciousThere are five types of sensationsAttention is defined as the processDeterminants of attention are factorsPerception is the complex mental process
Frequently Asked Questions
What are the important topics in Sensation, Attention and Perception for Gujarat Board Class 12 Psychology?
Key topics in Sensation, Attention and Perception include Sensation: Meaning, Definition and Receptors, Types of Sensations, Attention: Meaning, Definition and Nature, Characteristics (Nature) of Attention. Study these first, then practise questions on each for the Gujarat Board Class 12 board exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Sensation, Attention and Perception
For serious students
Get the full Sensation, Attention and Perception chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for Gujarat Board Class 12 Psychology. Free to start, no card needed.