Memory-sensory Reg-evidence For Theory That Sensory Mem Is Limited

Question 1

Sensory register is

Answer 1

Memory store gor each 5 senses

Question 2

2 main parts of mem store

Answer 2

Iconic store-visual info
Echoic store-auditory info-hear

Question 3

Other main parts of sensory reg

Answer 3

Haptic store -feel
Gustatory store-taste
Olfactory-smell

Question 4

Trace decay

Answer 4

When u pay attention info goes to STM
If u dont it fades away this is trace decay

Question 5

Capacity and duration in sensory reg
Method n aim

Answer 5

Sperling 1960
Aim-capacity and duration of sensory reg
Method-flashed 3×4grid letters onto screen for 50 millisecs
He asked em to recall
Then asked to recall single rows of letters when particular tones were heard
High for top row
Medium gor middle row etc.

Question 6

Capacity n duration in sensoey reg
Results

Answer 6

Participants coreectly recalled 4 letters
Participants asked to recall the single rows of letterd n recalled on average 3 items .however jtems decayed rapidly.

Question 7

Capacity n duration in sensory reg
Conclusion

Answer 7

Capacity of sensory=minimum 4 items and duration between 250 n 500 millisecs
Thought that image of each item fades during 50 ms and time it takes to reprot back recalled items so therefore it could be much larger than 4 items.

Question 8

High control

Answer 8

All participants had same experience
-all shown letterd for same amount of time
Lack confounding n EV

Question 9

Low ecologjcal validity

Answer 9

Participants shown random letters in lab n asked to recall them -probs not like info shown irl situations