8B Perception

Question 1

Sensation

Answer 1

Sensation refers to the process of receiving and detecting raw sensory stimuli via sensory organs and sending this information to the brain

Question 2

Perception

Answer 2

Perception refers to the process of selecting, organising, and interpreting sensory information

Question 3

Steps of visual perception

Answer 3

Selection: Certain visual features are selected for processing

Organisation: Once selected, the features are then grouped and organised to reflect an image

Interpretation: The primary visual cortex works to interpret the information

Question 4

Tastants

Answer 4

Tastants are the sensory stimuli received in the form of chemical molecules that can be tasted.

The tastants are converted into a neural impulse and sent to the primary gustatory cortex in the parietal lobe

Question 5

Bottom up processing

Answer 5

During bottom-up processing, perception is determined by incoming sensory information moving from specific stimulus information to general knowledge

Question 6

Top down processing

Answer 6

During top-down processing perception is driven by prior knowledge and expectations, moving from general knowledge to specific stimulus information