Week 6 - Sensation & Perception Flashcards
Basic principles of sensation and perception. Core processes of sensation and the major human senses. Basic understanding of how perception helps us to organise and interpret our sensory experiences.
The ability to recognise objects in spite of different visual stimulation
Perceptual constancy
Perception isn’t determined by the actual stimulus, but by our____
Prediction and interpretation of the stimulus
Little activation occurs in the brain when___
We can predict a stimulus accurately
A stimulus detection process where our sense organs respond to and translate environment stimuli is a ____
Sensation
Nerve pulses that are sent to the brain is a____
Sensation
The process by which our sensory systems detect information from the outside world is a sensation. True or False
True
An active process of organising and giving meaning to stimuli’s is ____
Perception
Perception makes sense of what our senses tell us. TRUE or FALSE
True
______studies relationship between the physical characteristics of stimuli and sensory capabilities
Psychophysics
Minimum amount of physical energy needed to notice a stimulus
e.g. 50% hit rate in experimental conditions
is the _____
Absolute threshold
Smallest difference between two stimuli that ppl can perceive 50% of the time is the _____
Difference threshold
The notable difference proportional to the magnitude of the stimulus is known as ____ or ______as the shortest
Webers Law / Weber Fraction
Alertness, expectation, rewards and significance of the stimuli are all factors that influence _____
Sensory Judgement
Below our absolute threshold
Subliminal stimulation
Stimulus is so weak or brief that although its received by senses it cannot be perceived consciously is_____
Subliminal stimulation