10. Higher Functions and Perception Flashcards
Higher Functions
The very large cauliflower-like structure part of the brain is called what
CORTEX
REMEMBER
Cauliflower = Cortex
279
Higher Functions
The cortex completely surrounds what
LOW BRAIN STRUCTURES
279
Higher Functions
The CORTEX or LOWER BRAIN are involved in higher human factors
CORTEX
279
Higher Functions
The CORTEX or LOWER BRAIN STRUCTURES are involved in lower human functions
LOW BRAIN STRUCTURE
279
Higher Functions
The brain consists of 2 functions. These are;
- ____ : voluntary
- ____ : involuntary
- CONSCIOUS - voluntary
- UNCONSCIOUS - involuntary
REMEMBER
Cortex = Concious = voluntary
279
Spatial Orientation
The following description is a definition of what;
“Information is acquired from the environment by the sense organs, is integrated with other information from other senses and is then translated into experiences of objects and events”
PERCEPTION
280
Spatial Orientation
To gain understanding of your orientation in space is one of the most important functions of what
MULTI-SENSORY INTEGRATION
280
Spatial Orientation
The most important function of multi-sensory integration is what
ORIENTATION IN SPACE
280
Spatial Orientation
multi-sensory integration allowing you to determine your orientation in space is known as what
SPATIAL ORIENTATION
280
Spatial Orientation
What is the primary method of determining spatial orientation
i.e. what sense is the most important
SIGHT
280
Spatial Orientation
What 3 functions does the body use to determine spatial orientation;
- ____ : see
- ____ : stable
- ____ : sense movement
- VISION : see
- BALANCE : stable
- PROPRIOCEPTION : sense movement
280
Spatial Orientation
Your brain is able to use vision, balance and proprioception in order to determine the body’s orientation.
It does this by comparing the visual scene with what
VISUAL SCENE WITH HORIZON
any flat surface is assumed to be horizontal.
280
Spatial Orientation
If no horizon is visible, spatial orientation will rely much more on what 3 things
- ____ : all things being equal
- ____ : sense movement
- ____ : evenly distributed
- EQUILIBRIUM
- PROPRIOCEPTION
- BALANCE
280
Spatial Orientation
You risk putting an aircraft into a undesirable attitude if you become ____
DISORIENTATED
281
Spatial Orientation
Why is spatial orientation on the ground typically easier to achieve when compared to being in flight
i.e. why is it harder in the air
OBJECTS PROVIDE RELIABLE FIXED POINTS OF REFERENCE
When you are on the ground, not moving, objects provide a fixed point of reference.
Conversely, in the air, objects are moving, may not be visible
281
Spatial Orientation
What are 3 factors that contribute to spatial orientation sometimes being harder to achieve when in the air than on the ground;
- ____ : may not be visible due to darkness, cloud, or haze
- ____ : derived from gravity, confused by acceleration forces
- ____ : not noticing the deviations
- TRUE HORIZON - may not be visible
- NATURAL SENSE OF UP AND DOWN - derived from gravity, confused by acceleration forces
- SUBLIMINAL AIRCRAFT CHANGES - not noticing the deviations
281
Mental Models, Perception and Illusions
The process of mental modeling and perception can vary person to person based on what 2 factors
- THE INDIVIDUAL
- PAST EXPERIENCE
282
Mental Models, Perception and Illusions
When the brain receives signals from the visual cortex it is building a ____ of the exterior world around us
MENTAL MODEL
282
Mental Models, Perception and Illusions
When we look upon an object we are able to associate a number of characteristics such as how it feels to touch, how heavy it is etc.. this happens in the brain CONSCIOUSLY or SUBCONSCIOUSLY
SUBCONSCIOUSLY
282
Mental Models, Perception and Illusions
A false sense or misinterpreted perception of a sensory experience is known as what
ILLUSION
283
Mental Models, Perception and Illusions
An illusion caused by the misinterpretation of sensory inputs is called what
COGNITIVE ILLUSION
283
Mental Models, Perception and Illusions
Faulty mental models are the prime cause of what type of illusion
COGNITIVE ILLUSION
283
Mental Models, Perception and Illusions
A cognitive illusion is caused by what
MISINTERPRETATION OF SENSORY INPUTS
283
Mental Models, Perception and Illusions
Perceptual process is ver SLOW or FAST;
When confronted with a new ambigious scene, the brain is able to do what
- FAST
- CONSTRUCT A MODEL
283
Mental Models, Perception and Illusions
What will the brain do if it detects that a mental model is faulty
RE-ADJUST UNTIL MODEL FITS WITH PERCEPTION OF REALITY
283
Mental Models, Perception and Illusions
What are 2 threats that can lead to critical loss of situational awareness
- FAULTY MENTAL MODEL
- COGNITIVE ILLUSION
285
Mental Models, Perception and Illusions
A tendancy not to check what can be an extremely dangerous thing in aviation
ASSUMPTIONS
assumptions are built once a mental model has been formed
285
Mental Models, Perception and Illusions
What can the brain use to fill in bits of missing information
PAST EXPERIENCE
285
Mental Models, Perception and Illusions
What are the 2 types of perceptual processing
- TOP DOWN
- BOTTOM UP
288
Mental Models, Perception and Illusions
“Perception is a process in which a hypotehsis is made and then information is sought to confirm it”
This is a description of what sort of processing
TOP DOWN
REMEMBER
Brain is on top - brain builds mental model TOP DOWN
Sense the ground under your feet when you walk on it. Feet are on the bottom. BOTTOM UP
288
Mental Models, Perception and Illusions
How does top down processing work
HYPOTHESIS FORMED
INFORMATION SOUGHT TO CONFIRM HYPOTHESIS
288
Mental Models, Perception and Illusions
“Sesnation is perception. Information received is enough to create a useful perception of the world”
This is a description of what sort of processing
BOTTOM UP
REMEMBER
Brain is on top - brain builds mental model TOP DOWN
Sense the ground under your feet when you walk on it. Feet are on the bottom. BOTTOM UP
288
Mental Models, Perception and Illusions
How does bottom up processing work
SENSATION
Information received is enough to form a perception of the world
288
Mental Models, Perception and Illusions
Bottom up processing will occur when information is AMBIGIOUS or UNAMBIGIOUS
UNAMBIGIOUS
REMEMBER
Brain is on top - brain builds mental model TOP DOWN
Sense the ground under your feet when you walk on it. Feet are on the bottom. BOTTOM UP
288
Mental Models, Perception and Illusions
Top down processing will occur when information is AMBIGIOUS or UNAMBIGIOUS
AMBIGIOUS
and a lot of information is missing
REMEMBER
Brain is on top - brain builds mental model TOP DOWN
Sense the ground under your feet when you walk on it. Feet are on the bottom. BOTTOM UP
288
Mental Models, Perception and Illusions
5 factors of mental modeling are
- ____ : large amounts of conflicting information from the senses
- ____ : what is seen, heard, and felt
- ____ : meeting sensory processing challange
- ____ : often not reassessed
- ____ : dangerous due to human behaviour
- BRAINS QUICK INTERPRETATION : large amounts of conflicting information from the senses
- BRAIN CAN MAKE SENSE : of what is seen, heard, and felt
- EFFICIENT : meeting sensory processing challange
- DANGEROUS : once mental image created, often not reassessed or checked against reality
- SENSE OF REALITY : human behaviour and responses are based on reactions to mental models not to reality
288
Visual Constancy
The brain automatically adjusts to what 3 things of familiar objects
- SIZE
- DETAIL
- COLOUR
289
Visual Constancy
Visual constancy is applied by the brain ____
AUTOMATICALLY
289
Visual Constancy
The process of the brain constructing a mental model of what an object should look like rather than what is does look like is known as what
SHAPE CONSTANCY
289
Visual Constancy
The brains ability to perceive an object as the same object throughout a wide cariety of viewing conditions is known as what
VISUAL CONSTANCY
289
Visual Constancy
What are 3 forms of visual constancy
- SHAPE
- COLOUR and BRIGHTNESS
- SIZE
289/290/291
Visual Constancy
Under what conditions does colour vary significantly
DIFFERENT LIGHTING
290
Visual Constancy
Our brain perceives familiar objects as always have what
SAME COLOUR
290
Visual Constancy
Our brain automatically assumes what, and compensates accordingly from what is expects to be in shadow
SUNLIGHT
290
Visual Constancy
Brain has a natural tendacy to believe what sort of objects
3-DIMMENSIONAL
291
Visual Constancy
The physical size of a persona image on your retina will change considerably with distance but the brain automatically scales up and sacles down the image. This is known as what
SIZE CONSISTANCY
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Visual Constancy
The brain makes assumptions, more often right than wrong. When we see a large flat expanse of terrain, we tend to believe it what
FLAT with NO SLOPE
292
Visual Constancy
Visual, Size, or Shape consistancy is particularly important to commercial aviation and why
- SIZE
- JUDGING HEIGH IN FLARE
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Limitations of Perception
Repeating patterns of flickering light which can cause dizziness and vertigo are known as what type of effect
STROBOSCOPIC
296
Visual Constancy
Stroboscopic effects can lead to what 2 conditions
- DIZZINESS
- VERTIGO
296
Perceptual Set
What is a useful tool for creating a short-cut to constructing a metnal model
PAST EXPERIENCE
297
Perceptual Set
“we perceive what we expect to perceive and not neccessarily what is actually there”
This is a description of what
EXPECTANCY / PERCEPTUAL SET
297
Perceptual Set
Perceptual set can cause issues in what circumstance
FIRST ENCOUNTERS
encountering something new or unfamiliar
297
Perceptual Set
What is the definition of perceptual set
“Bias, predisposition or readiness to perceive particular features or stimulus”
297
Perceptual Set
Perceptual set works in what 2 ways
- SELECTING information
- INTERPRETING information
297
Perceptual Set
Expectations allow us to do what
FOCUS ATTENTION
297
Perceptual Set
Expectancy is sensitive to the ____ in which information is received
CONTEXT
301
Perceptual Set
Expectancy of radio messages can influence what
AUDIO PERCEPTION
303
Organisation of the brain
The cortex is divided into how many parts
The parts are known as what
- 2 HALVES (left and right)
- HEMISPHERES
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Organisation of the brain
The 2 hemispheres of the brain are connected by what
LARGE BUNDLE OF NERVES
306
Organisation of the brain
The large bundle of nerves connecting the 2 hemispheres of the brain together allow for what
COMMUNICATION and EXCHANGE OF INFORMATION
306
Organisation of the brain
3 specific cortexes of the brain directly correlated to function
- VISUAL
- MOTOR
- SENSORY
306
Organisation of the brain
What is the motor cortex responsible for
INITIATING VOLUNTARY MOVEMENTS
306
Organisation of the brain
What is the sensory cortex responsible for
DETECTING SENSORY INPUTS FROM PARTS OF THE BODY
306
Organisation of the brain
What is the visual cortex responsible for
MAPS VISUAL FIELDS
306
Organisation of the brain
There is a huge built in bias in what 2 cortex areas
- MOTOR
- SENSORY
306
Organisation of the brain
Large areas of the cortex are devoted to relatively small but critically important areas of the body. 4 examples include;
- ____ : attached to arm
- ____ : attached to the above answer
- ____ : found on the face
- ____ : used for kissing
- HANDS
- FINGERS
- MOUTH
- LIPS
306
Organisation of the brain
Visual fields are mapped how within the brain
LEFT VISUAL FIELD projected onto LEFT VISUAL CORTEX
RIGHT VISUAL FIELD projtected onto RIGHT VISUAL CORTEX
307
Organisation of the brain
The right hemisphere is concerned with what 2 things
- NON-VERBAL REASONING
- SPATIAL SKILLS
308
Organisation of the brain
The left hemisphere is concerned with what 4 things
- ____ : talking
- ____ : documenting
- ____ : this makes sense
- ____ : making a decision
- SPEECH
- WRITING
- LOGIC
- CONSCIOUS THOUGHT
308
Organisation of the brain
The front of the temporal cortex is associated with some of the highest human characterisitcs, such as what 2 things
- REASONING
- PERSONALITY
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Organisation of the brain
non-verbal reasoning and spatial skills are associated with which part of the brain
RIGHT HEMISPHERE
308
Organisation of the brain
Speech, writing, logic, and conscious thought are associated with which part of the brain
LEFT HEMISPHERE
308
Organisation of the brain
Reasoning and personality are associated with which part of the brain
FRONT OF TEMPORAL CORTEX
308
Organisation of the brain