PSYC 2230 Chapter Notes - Chapter 7: Thalamus, Maternal Deprivation, Operant Conditioning

• School: York University
• Department: Psychology
• Course: PSYC 2230
• Professor: Frank Marchese

Document Summary

Hedonism and sensory stimulation: hedonism as seeking pleasure and avoidance of pain, early greek philosophers such as democritus and epicurus during the platonic era (429- Instructional set alters actions of sense organs rather than altering perception: p. t. young: sign, intensity, duration: research on food preferences led him to agree with beebe- Center that there is a continuum with maximum negative affect at one end and maximum positive affect at the other end. Young maintains that the nervous system is constructed to maximize positive affect (p. 208). Organisms learn behaviours that lead to positive affect and move away from negative affect. Positive affect is associated with approach behaviours and negative affect with. Affective processes activate and guide behaviour and affective processes lead to the development of stable motives (p. 208): motivational influences of sensations: pfaffmann suggested that sensory stimulation is motivating and leads to approach or withdrawal. Research showed that hedonic intensity and sensory intensity are not equivalent.