Labs Flashcards

1
Q

Recall vs recognition memory

A

recognition = prompted, associated with context of encoding
recall = mental search of information

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

accuracy of LT memory - word list – design & variables

A
  • within subjects
  • 6 lists of 15 words - semantically linked
  • Independent variable = type of word
    • in lists
    • not in lists (control)
    • not in lists (‘lure’)
  • Dependent variable = confidence rating
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

accuracy of LT memory - word list – hypothesis/finding

A

Participants will have
higher confidence
ratings for the new list-related words (lures)
than for new, non-list-related words

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

accuracy of LT memory - False Fame – design and variables

A
  • within subjects
  • 90 names
    • 40 famous
    • 50 not
      • 25 new
      • 25 pre-exposed
  • Independent variable = Type of name
    • Famous
    • Not famous, new
    • Not famous, old (preexposed)
  • Dependent variable = Percent guessed as ‘famous’
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

accuracy of LT memory - false fame – hypothesis/finding

A

Participants will label
more of the pre-exposure
non-famous names as
‘famous’, than the
completely new non-famous names

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

summary of accuracy of LT memory experiements

A

Experiment
* We reconstruct our memories rather than simply record and play back
Experiment 2
* Forgetting the source of a memory can lead to memory inaccuracies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

allocentric vs egocentric space

A

allocentric = observer
independent, relies on identifiable environmental features/landmarks, and their relationship to other environmental features

egocentric = observer
dependent, observer’s movement through
environment/their spatial relationship to environmental features

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

2 Types of Spatial Information

A

Location Based = Fixed point references
Movement Based= Generated by own movements

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Piloting

A
  • Location based
  • hidden target
  • Current position estimated by distance and direction from landmarks
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Beacon Homing

A
  • when you get close
  • travelling directly towards a fixed landmark
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Effect of terrain on distance estimation

A

uphill = more perceived effort = over estimate distance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Timing mental processes - subtraction method

A
  • time full sequence of events (like getting up and going to uni)
  • time full sequence of events but don’t do the one of interest (e.g. skip brekkie)
  • subtract the changed one from the full one = time for event of interest (e.g. brekkie)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Assumptions of the Subtraction Method

A
  • Assumption of Seriality - There must be no overlap of tasks
  • Assumption of Independence - Removal of one task does not affect
    other tasks
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Processes that make up the choice reaction time task

A
  • Detect Stimulus: Is there something there?
  • Identify Stimulus: What stimulus is there?
  • Select Response: Which finger should I respond with?
  • Execute Response: Press the appropriate key.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Processes that make up a Go/No Go Task

A
  • Detect Stimulus: Is there something there?
  • Identify Stimulus: What stimulus is there?
  • (No need to select response.)
  • Execute Response: Press the appropriate key.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Processes that make up a
Simple reaction time Task

A
  • Detect Stimulus: Is there something there?
  • (No need to identify stimulus.)
  • (No need to select response.)
  • Execute Response: Press the appropriate key.
17
Q

signal detection theory - radiologist example - HIT

A

Hit = is there, radiologist says

18
Q

signal detection theory - radiologist example - CORRECT REJECTION

A

Correct rejection = not there, radiologist says

19
Q

signal detection theory - radiologist example - FALSE ALARM

A

false alarm = radiologist says it is there, but actually isn’t
– negative side effects of chemo unnecessary

20
Q

signal detection theory - radiologist example - MISS

A

is there, radiologist says no
- miss out on treatment

21
Q

YES bias

A

= more hits, more false alarms
= less misses, less correct rejections

22
Q

NO bias

A

= less hits, less false alarms
= more misses, more correct rejections

23
Q

response criterion symbol

A

(c)

24
Q

-c

A

yes bias

25
Q

+c

A

no bias

26
Q

sensitivity

A
  • d prime
    = how accurately you can tell the difference between noise and noise + stimulus conditions
27
Q

what influences sensitivity

A
  • signal (e.g. size of waldo)
  • receptor (e.g. eyesight)
  • alterness
28
Q

High d prime

A

= little/no uncertainty
- e.g. big waldo, glasses on, paying attention
- more accuracy, less bias
- c = 0

29
Q

Low d prime

A

= much uncertainty
- e.g. black and white, glasses off, sleep deprived
- implicit response bias occurs
- -c or +c

29
Q

how do we calculate d?

A

hit - false alarm

30
Q

Attributes of an EEG Trace (4)

A

Frequency, Amplitude, Direction, Latency

31
Q

What is an event-related potential?

A
  • pattern of changes in electrical activity following event
32
Q

Stimulus Time-Locking

A
  • The EEG is recorded at the same time for each stimulus presentation or trial
  • These sections of EEGs are averaged so that we can eventually see the ERP to our stimulus
33
Q

Why do we average ERPs?

A
  • Usually can’t see the ERP among the rest of random neuronal noise
  • We present the stimulus many times and record the ERP for each presentation
  • The ERP remains the same size for all the recordings but the random noise averages out so we can see the shape and the size of the ERP in the EEG after averaging over all the presentations
34
Q
A