Mem and Lan (4)b Flashcards
4 stages of eyewitness memory?
Perceptual stage
Encoding stage
Storage stage
Retrieval stage
Factors that can affect eyewitness memory?
Lighting
Stress
Time
Questioning
What is confirmation bias?
Tendency for eyewitness memory to be distorted by the eyewitness’s prior expectations
What is the Yerkes Dodson law of optimal arousal?
Memory for central aspects of a violent event are better than memory for a non-violent event
What is the weapon focus effect?
Weapon focus greater when unexpected, stress causes narrowing of attention
What stage of eyewitness memory does the law of arousal and the weapon focus effect occur at?
Encoding stage
At the storage stage what happens to memory over time and in what nature does it follow?
degrades over time, follows an ebbinhausian nature.
What is the path of an Ebbinghausian curve?
sharp drop within 20 mins., continued forgetting until leveling out 2days after event
What is the cross race effect?
tendency to more easily recognize faces of the race that one is most familiar with
What is the unconscious transference effect?
Tendency of eye witness to misidentify a familiar but innocent face as the perpetrator
What is proactive interference?
tendency of previously learned material to hinder subsequent recall
What is retroactive interference?
tendency of later learning to hinder the memory of previously learned material.
What is source misattribution?
Source of post-event information memory trace is wrongly attributed to the original event
What is a vacant memory slot?
Misinformation more likely to be accepted if original correct info did not get stored
What is memory coexistence?
both original and misleading info, but misleading is more recent -> obscures original memory trace