Psychology 1000 Lecture Notes - Lecture 2: Somniloquy, Slot Machine, Classical Conditioning

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Definition: relation between physical stimulus and psychological response. Already wired, we don"t have to do much learning for vision. Can determine a just noticeable difference (jnd) Value of a stimulus characteristic required to produce some response. Hearing: tick of a watch at 6m. Taste: tsp. of sugar in 8 l. of water. Vision > hearing > taste for humans. Smell: 1 drop of perfume in a 6 room apartment. Touch: wing of a fly falling on cheek from 1 cm. How much stimulus you have to change. Doubling the brightness of this room does not double the perceived brightness. Size of difference threshold relative to physical intensity of test is constant. If i= 50 db and a jnd is reported at 55 db, delta(i)/50 = c -> 1/10 = 5/50 = c. Note: (cid:853). can predict other jnd"s (cid:523))(cid:524)/) = c. (cid:853)(cid:852) ) = (cid:853)(cid:852)(cid:852) -> ) = (cid:853)(cid:852)