lecture 1

Question 1

what is perception as a model of the environment?

Answer 1

important distinction between the physical and perceptual – representation/ internal model of our environment is not simply a replica of our surrounding physical environment, some objects that you see in isolation may appear differently in the presence of other stimulus

Question 2

what is top down processing?

Answer 2

perceptual or cognitive processing based on prior knowledge or experience – demonstrates how we view the world is not infallible but influenced by environment

Question 3

what is bottom up processing?

Answer 3

perceptual or cognitive processing based on info coming directly from a stimulus and activating receptors in the sensory organ

Question 4

what does how we perceive something depend on?

Answer 4

context - brightness, colour

Question 5

how can we fail to see things which are actually there?

Answer 5

change blindness

Question 6

where does perception occur?

Answer 6

our brains - neurons

Question 7

where does sensation and perception occur?

Answer 7

tongue, skin, nose, muscles, eyes, ears

Question 8

what is transduction?

Answer 8

process where environmental stimuli are converted or transduced into neural activity – electrical signals

Question 9

what is transduction in the perceptual process?

Answer 9

1- stimulus in environment, 2 – light is reflected and focused, 3 – receptor processes (transduction), 4 – neural processing, 5 – perception, 6 – recognition, 7 – action

Question 10

how do we study perception?

Answer 10

stimulus perception relationship, stimulus physiology relationship, physiology and perception relationship