CAS PS 101 Lecture Notes - Lecture 6: Explicit Memory, Sensory Memory, Myelin

• School: Boston University
• Department: Psychological & Brain Sciences
• Course: CAS PS 101
• Professor: Barak Caine

Document Summary

Iconic (visual) memory image persists for 0. 5 sec. Echoic (auditory) memory sensation persists for 2-3 sec after the sound. 20 sec or less, if we don"t use rehearsal ; either fades or is replaced (distraction) 7 + 2 items, for most people chunking remember four numbers beginning with a 1 and a 9; remember a year remember seven numbers; remember a phone number includes matching to things stored in long-term memory. Procedural (skill) how to perform a skill, such as driving a car or playing an instrument / slowly acquired, well preserved. Declarative recall of specific facts, such as weber"s constant / rapidly acquired, rapidly forgotten. Episodic (autobiographical) episodes in one"s own life. Semantic (knowledge-base) the meaning of facts that are general and non- personal. Photographic memory (imagery) also called eidetic imagery, very rare. Rehearsal: maintenance (simply repeating) vs. elaborative (mnemonic devices) Mnemonic devices: organizing information such as clustering or constructing a narrative.