Sensation and perception Flashcards
(38 cards)
Sensation meaning
Where our sense organs and receptors detect and respond to sensory information.
Perception meaning
Where we give meaning to the sensory information.
3 steps in Sensation
Reception, Transduction, Transmission
4 steps in taste perception
Stimulus, Reception, Transduction, Perception
The sensory organs are?
Touch, Smell, Hearing, Taste, Sight
Reception
Our sense organs first receive info about a stimulus.
Transduction
Raw sensory data received by receptors and is converted to new form to be sent to the brain.
Transmission
Sending information to the areas of the brain responsible for for processing sensory information.
Receptive fileds
A section of space where a stimulus is present.
What is a Gestalt Principle?
Perceive visuals as a whole
4 Gestalt Principle
Figure-grounds, Closure, Similarity and Proximity.
Figure-grounds
Dividing visuals into a figure which stands out from the ground.
Closure
Mentally fill in or ignore gaps in a visual image to see it as a whole.
Similarity
See a visual image that has similar features. Colour, shape, size and texture.
Proximity
Perceive parts of a visual image which are close together belongs in a group.
Monocular Depth Cues
Accommodation, Pictorial Cues
Accommodation
Automatic adjustments of our eye lens to focus on an object to change how far away the object is.
Binocular Depth Cues
Convergence and retinal disparity
Convergents
Detecting depth by changing tension in the eye muscles.
The five Depth Perception
Linear Perspective, Interposition, Texture Gradient, Relative Size and height in the visual field.
Liner perspective
The meeting of parallel lines as they go back into the distance to give depth
Interposition
Overlap, When one abject slightly covers another and the object furthest is the one being covered.
Texture Gradient
Reduced detail that occurs in a surface as it becomes further away
Relative Size
To visually see that the object largest in view is closest and the object that is smallest is further away.