perception

Question 1

Characteristics of Perception

Answer 1

More than reception and discrimination of stimuli

Uses high level cognitive processes such as memory and thought

Question 2

Types of cognitive processing

Answer 2

• Bottom-up: Sensory driven, organises incoming information
• Top-down: Driven by knowledge, experience and expectation –> (used to determine perception in ambiguous circumstances)

Question 3

Properties of Visual Perception

Answer 3

Adaption effects: (adapting to the image itself)
e.g. Existence of after images (staring at the sun)
Depth perception:
2D cues and guidelines allow for interpretation of 3D image
Gestalt (Whole Precept):
Organisational trends occur in visual system - Meaningful groupings Include, Proximity, Similarity, Continuity and Closure

Question 4

Doors of Perception (Huxley )

Answer 4

‘Brain and nervous system prevent us from being overwhelmed by large amounts of useless information, subconsciously selective’

Question 5

Context of Madness - Rosenhan (1973)

Answer 5

Patients were told to pretend to be hearing voices, were diagnosed with schizophrenia, were all hospitalised, later discharged with schizophrenia in remission, mean 19 days later- perceptive expectations were challenged