Sensation And Perception Flashcards
Cognition refers to the mental processes involved in gaining _____ and ______
knowledge, comprehension
Sensation is the detection of _____ _____
Environmental stimuli
_____ _____ detect environmental stimuli
Sense organs
Sensory information is converted into _____ _____
Electrochemical energy
What are the 3 stages of sensation?
Reception, Transduction, Transmission
Reception is the detection of ____ _____ in the body’s _____ organs
Sensory information, sense organs
Transduction is the changing of _____ _____ into _____ _____
Sensory information, electrochemical energy
Transmission is the movement of _____ _____ from sensory receptors to the _____ for further processing
Electrochemical energy, Brain
Perception is the _____ _____ that the brain creates using using information detected by the _____
Mental representation, the sense
What are the 3 processes of Perception?
Selection, Organisation, Interpretation
Selection refers to the choosing of crucial _____ of _____ for further processing, and the disregarding of _____ content
features, information, insignificant
Organisation refers to the arrangement of meaningful _____ using the selected information
Meaningful patterns
Interpretation is the act of assigning ______ to the groups of patterns so we can understand what it represents about the _____ world
Meanings, external world
What is the first step to bottom-up processing?
“Detects specific ____ of a stimulus”
Features
What is the second step to bottom-up processing?
“_____ specific features into more _____ forms.”
Combine, complex
What is the third step to bottom-up processing?
“_____ stimulus”
Recognise
What is the first step of top-down processing?
“Recognise _____”
Stimulus
What is the second step to top-down processing?
“_____ and _____ specific features to check hypothesis”
Select, examine
What is the third step of top-down processing?
“Recognise _____ characteristics of the nature of the ______ as a whole”
Individual, stimulus
