Chapter 8: Memory Flashcards
In explicit memory tests, recognition is usually better than recall. What is the difference between recognition and recall?
Recognize: able to identify something previously encountered
Recall: able to reproduce previous information independently
There are 3 main memory models:
-INFORMATION PROCESSING
-3 BOX MODEL
-PARALLEL DISTRIBUTED PROCESSING / CONNECTIONIST
Describe the information processing model
Involves the INPUT, OUTPUT, ACCESSING, and memory retrieval
There are 3 main memory models:
-INFORMATION PROCESSING
-3 BOX MODEL
-PARALLEL DISTRIBUTED PROCESSING / CONNECTIONIST
Describe the 3 box model
Proposes 3 interacting systems:
1) Sensory register
-limited info, important sent to:
2) Working memory
-reviews/rehearses info, moves some to:
3) Long-term memory
There are 3 main memory models:
-INFORMATION PROCESSING
-3 BOX MODEL
-PARALLEL DISTRIBUTED PROCESSING / CONNECTIONIST
Describe the connectionist model
Represents knowledge as connections among numerous interacting processing units in a vast network, similar to neurons in the brain
Sensory registers are memory stores that hold perceptual info for a short amount of time. Iconic and echoic are 2 different types of sensory memory. What do they refer to?
Iconic: VISUAL form of sensory memory (lasts ~1 sec)
Echoic: AUDITORY form of sensory memory (lasts ~5-10 sec)
People were asked to recall a series of letters which briefly flashed in front of them. They were then asked to do it again with an added step, which improved performance when recalling the letters. What was added for the 2nd time?
One of 3 tones would play while the letters flashed, which helped participants to remember better
What is the magic number of short term/working memory?
7 (+/- 2)
What is chunking?
Bringing smaller units of information into larger, more meaningful units
Eg. turning this:
CTVBBCHBOTSN
into this:
CTV BBC HBO TSN
What are 2 ways that long term memory is stored?
Base info on semantic categories that the info belongs to (dogs and cats go together with other pets)
Organize info based on the appearance and sound of the word itself (what causes words to be on the tip of our tongue)
What are 2 types of EXPLICIT memory?
Semantic memories: declarative memories including facts about the world
Episodic memories: declarative memories from personal experiences, organized around “episodes” and recalls from a 1st-person POV
What are 2 types of implicit memory?
Procedural memory: learned patterns of muscle movement (motor memory)
Priming: exposure to a stimulus which unconsciously changes our behaviour at a later point
When recalling a list of words, participants are more able to recall the first and last few words on that list. What effect does this exemplify?
Serial position effect
Proactive interference focuses attention on the first words it hears, retroactive interference makes it difficult to remember what came before the most recent ones
________ ________ is a long lasting increase in the strength of synaptic responsiveness, which likely underlines many forms of learning and memory
Long-term potentiation
Neural changes for long-term potentiation take time to develop, which explains why memories require a period of ________, which often occurs during ________.
consolidation, sleep
What are 3 areas of the brain that are very important for making memories, and what are their basic functions?
Amygdala: formation, consolidation, and memory retrieval
Frontal lobes: efficient encoding of words and pictures
Hippocampus: forms LTM, perceives passage of time
The cerebellum and striatum are important for the formation of _______ memories.
implicit
Emotional memories are often intense and vivid; even vivid _________ memories become less accurate over time
flashbulb
What kind of food can have a large effect on memory?
Glucose
What is effortful encoding?
Encoding (learning) information through conscious attention and effort. Forms of review and repetition are important for remembering, and retrieval practice (like short quizzes or flashcards) is necessary for consolidation
How do maintenance rehearsal and elaborative rehearsal differ?
MR: plain memorization
ER: more likely results in becoming LTM, involves associating info with previous knowledge or experiences
What are 3 theorized mechanisms of forgetting?
Decay theory: info disappears if not accessed (not a complete explanation)
Replacement theory: new info may erase and replace old info in LTM
Cue-dependant forgetting: insufficient cues for recalling info
An overlap of present and past memory cues can confuse the brain’s recollection, causing what?
The feeling of deja vu
Explain 4 key factors which help memory retrieval
Encoding specificity principle: same conditions during encoding & retrieval
Context-dependent memory: same physical setting for encoding & retrieval
State-dependent memory: internal state for retrieval matches for encoding
Mood-dependent memory: mood at retrieval matches during encoding
A proposed theory of a certain type of amnesia involves a rare occurrence where a person undergoes massive, temporary memory loss. It is theorized to be caused for psychological reasons (like escaping embarrassment or shock). Think of Walter’s faked “episode” in BB, wherein he was trying to replicate this amnesia. What is it called?
Psychogenic amnesia
