Unit 2.2.6 Vision + Taste Distortions Flashcards
1
Q
Perceptual distortions
A
- When an individual’s perceptual interpretation of a stimulus varies from how it is commonly perceived
- Errors in the judgement/interpretation of sensory stimuli
2
Q
Synaesthesia
A
- A rare condition
- Certain sensations are perceived using another system
- E.g. a person may associate the letter ‘a’ with orange
- Grapheme-colour + lexical-gustatory
3
Q
Synaesthesia - causes
A
- Can be born with it or develop it
- Can be inherited in one’s genes or acquired due to injury or drug use in life
- Having one form = likely to have others
- Possible that people with it have excess neural connections due to less synaptic pruning during early years
4
Q
Spatial neglect
A
- Condition
- Involving an inability to attend to sensory stimuli
- On one side of the body
5
Q
Spatial neglect - causes
A
- Brain lesion resulting from neurodegenerative diseases, trauma or a hemispheric stroke
- The hemisphere of the brain that the lesion occurs in dictates which side of space the person can attend to (left lobe injured = right side neglected and vice versa)
6
Q
Spatial neglect - characteristics
A
- May gaze in a way that ‘drifts’ towards the side of the brain in which the lesion occurred
- May begin to display difficulties in dressing/grooming themselves
- Fail to attend to stimuli on one side of their visual field in obvious ways