Theme 4 - Questioning Reality Flashcards
What are the 2 things we question with?
- Goal
- Evidence
Where can questioning happen?
- Privately as you engage with something
- Asking questions out loud and by discussing topics
What happens over time with questioning?
It may go deeper
How do you question arguments?
- are they logical?
- are they potentially biased by the characteristics of the researcher
What’s the issue with interpretations?
- Do not take interpretations of results at face value?
- Consider limitations and tensions
- authors might have missed something
Why do we question things?
- develop knowledge
- psychology has developed because of questioning
What’s the aim of asking questions and challenging concepts?
Aimed to improve our understanding of these things that we question. This allows us to plan and act in a more informed manner
How do we experience an illusion?
When our perception of an object doesn’t match its true physical characteristics
What are the 4 types of perceptual illusion?
- Distortions (geometric illusions)
- Ambiguous figures (reversible)
- Paradoxical figures (impossible objects)
- Fictions
What happens in illusions of movement?
- we ass things to pictures that aren’t physically there
- it is possible to perceive movement without a successive pattern of retinal stimulation - called apparent movement
How do theories of perception differ?
Whether they regard perception as direct (bottom up/data driven) or as indirect (top-down/conceptually driven)
What do we do to avoid sensory load?
We need to select from all the sensory stimulation which surrounds us
What is an illusion?
An instance of a wrong or misinterpreted perception of a sensory experience
A deceptive appearance or impression
What can cause us to miss large changes?
People don’t know where to direct their attention
What we see depends on what?
Where our attention is - which is limited in focus and capacity
How wide is the human fovea?
1.5mm
What does the human fovea consist of?
Consists of cones
How much of the visual cortex is accounted for in processing foveal output?
50%
What does the human fovea do?
Has to move around rapidly to piece together the scenes
What happens in illusions?
What approach is this?
Neurons supporting one percept become fatigued, eventually neurons supporting the other percept take over until they become fatigued
This is repeated, increasing quickly
BOTTOM UP APPROACH
Most participants don’t experience reversal unless….
What approach is this?
- Informed of the ambiguity
- Told what the 2 interpretations are
- Intend to interpret the other percept
TOP DOWN APPROACH
Perception is not…?
Passive
What does perception involve?
Involved interplay between low-level processes, and higher-level cognitive processes
Perceptual input is always more or less…?
Ambiguous
Why are ambiguous stimuli constructed?
To maximise the ambiguity between 2 alternatives
What approach do visual illusions take?
Holistic approach to how we view facial illusions
How does illusion sensitivity differ?
Male vs female
Mathematical scientists vs social scientists
British vs Japanese
Children vs adults
What does WEIRD stand for?
Western
Educated
Industrialised
Rich
Democratic
What are East Asian thoughts?
Holistic, integrated context
What are western thoughts?
Analytic, focuses on detail
What gender is illusion stronger in?
Female
What science is illusion stronger in?
Social scientists
Is illusion stronger in Japan or British?
Japan
How do young people view illusions?
Don’t see it at all
Materialism meaning?
Mind and matter
What model does the neuropsychological approach take?
Takes a functional model
What does the neuropsychological approach assume?
Assumes the components in models are discrete neural areas - modularity
What does the neuropsychological approach use?
Uses case studies - looks for people where injury or illness has affected their brains
What does the neuropsychological approach do?
Examines the effects of behaviour and performance
What does the modularity of mind assume?
Modular systems in the brain are automatic
Modules are bottom up
Modules are impenetrable and encapsulated
What do central systems do?
- take inputs from all modules
Information flows in all directions
Give rise to thoughts, ideas, and beliefs
What are delusions?
A false belief based on incorrect inference about external reality
What are some problems with the definition of delusion?
- belief in something true could be delusional if you held the belief for the wrong reasons
- does delusion have to be a belief?
- can’t a belief which is shared by everyone still be a delusion?
- does belief have to concern external reality?
Delusions are…
Fixed beliefs that are not amenable to change in light of conflicting evidence
What is capgras delusion?
The delusion that familiar people have been replaced by imposters
What is mirror-sign delusion?
Inability to recognise oneself in the mirror
What is fregoli delusion?
Unfamiliar people are actually people you know who have disguised themselves and they have bad intentions towards you