PSY100H1 Chapter Notes - Chapter 4: Color Constancy, Detection Theory, Subjective Constancy
65
PSY100H1 Full Course Notes
Verified Note
65 documents
Document Summary
1) sensation - detect external events by sense organs and turning those stimuli into neural signals. 3)transducton - specialized receptors transform the physical energy of the outside world into neural impulses; turned the raw sensations into info. 2) perception - involves attending to, organizing, and interpreting stimuli that we sense. All the senses use the same mechanism for transmitting info the the brain: action potential. Doctrine of specific nerve energies - the different senses are separated in the brain. Our sensory receptors are sensitive to change. Sensory adaptation - the reduction of activity in sensory receptors with repeated exposure to a. Stimulus thresholds stimulus; adjust to the surroundings. Absolute threshold - the minimum amount of energy or quantity of a stimulus required for it to be detected at least 50% of the time it is presented. Difference threshold - the smallest difference b/t stimuli that can be detected at least 50% of the time.
