Science WK 2 T4

Question 1

Function of Sensory Memory

Answer 1

• prevents the brain from being overwhelmed by info

- allows the brain to ignore irrelevant or repetitive noises

Question 2

What is Sensory Memory?

Answer 2

• the memory in our sensory organs
• where the info from our environment is received by our senses

When info is unique/interesting/relevant, it attracts you

It is then transferred into the short-term memory

Question 3

Types of Sensory Memory

Answer 3

Auditory
- echoic memory

Visual
- iconic memory

Question 4

Iconic Memory

Answer 4

• Visual sensory memory
• duration - 0.3sec

Reason why images shown to us at correct speed seem like moving images

Question 5

Echoic Memory

Answer 5

• Auditory sensory memory
• duration - 3-4 sec
• when info needs to be registered entirely before being made meaningful

Person 1: Which class do you have after lunch?

Person 2: Sorry, what did you say, - oh, Science

Question 6

3 Processes of Memory

Answer 6

1. Encoding
2. Storage
3. Retrieval

Question 7

Encoding

Answer 7

• process of placing info into a form

- allows it to fit within your personal storage system

Question 8

Short-Term Memory

Answer 8

• can hold 5-9sec of info
• new info is needed to be stored in short-term memory —> some currently stored info is lost to make way
• info held in short-term memory last 12-30sec