Perception
Conscious experience as a result of the stimulation of the senses
5 characteristics of perception
- Perception changes as additional info is added
- Perceptual process similar to problem solving and reasoni.
- Perception
works in conjunction is action - It is automatic
- It is based on past experience
Reverse Projection Problem
The task of explaining how the perceptual systems determines what object created the image on the retina
- image on retina is ambiguous
Viewpoint invariance
The ability to recognize an object from different viewpoints
Bottom Up Processing
Processing that begins with info being received by the receptor
- also called data-based processing
Top down processing
Processing that involves our knowledge and experience
- knowledge based processing
Two Examples of Top Down Processing
- Perceiving objects
- Hearing words in sentences
The Multiple Personalities of the Blob
Blob is identical but perceived differently depending on the orientation and context of the photo
- our knowledge of what is likely to bethere influences our perception of the blob
Speech segmentation
The ability to recognize individual words within a continuous stream of speech
- recognizing where a word begins and end
Transitional probabilities
The likelihood of a speech sound occurring after another within a word
Statistical learning
The process of learning transitional probabilities and other characteristics of speech
Helmholtz
Purposed new idea of how humans use info
Theory of unconscious inference
Retinal image is ambiguous - the stimulation pattern of th
