Exam essay revision Flashcards

1
Q

What psychological functions does your essay focus on?

A

Language, memory and execuitve control.

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2
Q

What is the study of language in the brain?

A

Neurolinguistics

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3
Q

What does lateralization refer to?
a) neurocgnitive functions working seperately
b) neurocognitive functions under the main control of a particular hemisphere
c) neurocognitive functions not working correctly

A

b) neurocognitive functions under the main control of a particular hemisphere

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4
Q

What is meant by memory?

A

Encoding, storing and retrieval.

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5
Q

What are the neurological bases of memory when change occurs? change in…

M, C and B areas of the brain

A

Mollecular, cellular and broader areas of the brain.

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6
Q

Name 4 examples of high-level cognitive processes

WM, T-D E A, TS, PS

A

1) Working memory
2) top-down endogenous attention
3) task switching
4) problem solving

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7
Q

How do we gain knowledge about speech and language functions? what do we study?

A

studying patients with neurological disorders such as epilepsy.

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8
Q

What is epilepsy and its main symptom? how many people does it effect in the UK?

A

A brain disorder that causes recurring seizeures effecting 9 in every 1000 people in the UK.

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9
Q

What is the main form of epilepsy and what is it charachterised by?

A

Temporal lobe epilepsy, characterised by lesions in the temporal lobe.

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10
Q

If lesions in the temporal lobe develop early on in chilhood, what does the brain do to manage this?

F Reo and Aty L of brain functions.

A

The lesions can lead to functional reorganisation and atypical laterilastion of brain functions.

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11
Q

What did the Springer et al 1999 language study look into and in what kind of participants?

Dom

A

Language dominance in epilepsy patients and neurologically normal subjects.

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12
Q

What was the Springer et al 1999 language study’s main finding?

atypical language dominance

A

atypical language dominance is more frequent in epilepsy patients than cognitively normal subjects

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13
Q

What were the two types of tasks used in the Springer et al 1999 language?

C task and S D task

A

Control task and a semantic decision task.

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14
Q

In the springer et al 1999 study on language what machine was used and what for?

f

A

fMRI to examine the localisation of brain function.

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15
Q

In the Springer et al 1999 study on language What percent of subjects showed right hemispheric dominace from the CN and Epileptic groups?

A

CN - 0%
Epilepsy - 6%

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16
Q

In the Springer et al 1999 study on Language what percent of subjects showed bilateral langauge representation for both groups?

A

CN - 6%
Epilepsy - 16%

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17
Q

What did the Springer et al 1999 study provide further insight to?

L of B F, Flexibile can A + D

A

Localisation of brain function and how flexible the brain is and how it can adapt and develop.

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18
Q

What did the Springer et al 1999 study on Language demostrate a clear example of the brain doing?

A

The brain allowing for regular congitive function under irregular circumstances by modifying the hemispheric location of langauage.

19
Q

Name a common disease of the brain, how many dementai cases does it accoutn for

A

Alzheimers disease, 60-70% of all demntai cases.

20
Q

What is Alzheimers dissease?

A

A type of dementia associated with a progressive decline in brain functioning most notably impacting memory.

21
Q

In alzheimer’s patients what is the typical progression of atropy?

A

Medial temporal lobes, progressing to the parietal lobes and eventually the frontal lobes.

22
Q

What does atrophy in the brain cause in AD patients? (what are the main syptoms)

Changes in M + P, Increased difficulty completed D-D T and M L

A

Changes in mood and personality, increased difficulty completing day to day tasks and memory loss.

23
Q

What is Autobiographical memory?

a memory system of E that C an Individuals P H

A

A memory system of episodes that constitute an individuals personal histroy.

24
Q

What did Philippi et al 2015’s study focus on?

A

emotional autobiographical memories

25
Q

What did Philippi’s 2015 study on autobiographical memories hypothosise?

A

A deficit of AbM would exist in Alzheimer’s patients and that this would be related to the degree of atrophy in the hippocampus and amygdala.

26
Q

In Philippis 2015 study, what participants did they use?

A

18 Cognitively normal and 18 AD patients.

27
Q

In the Philippis 2015 study on autobipgraphical emotive memories what test did they use to obtain the memories?

A

MCT - modified Crovitz test

28
Q

How were the amydalar-hippocampal volumes extracted? what were they tested for?

A

using 3D T-1 weighted MRI scans. They were tested for correlations with the behavioural data obtained from the MCT.

29
Q

What were the 2 main findings of the Philippi 2015 study on autobiographical memory?

A

1) AD patients showed im[paired emoptional scores on the MCT and had a lower rate of emotional memories.
2) Positive correlations were demonstrated between the amygdalar-hippocampal volumes and emotional scored in AD patients compared to the CN group.

30
Q

Name a limitation of the 2015 Philippi et al study

A

The absence of an evaluation of the subjects emotional sates at the time of retrieval

31
Q

what could the Philippi 2015 study on emotive autobiographical memory aid in developing and what does it highlight in regards to biology?

A

it could aid in developing specialised autobiographical therapy programs using emotive stimului. It highlights the essential role of the amygdala and the hippocampus in emotive memory retrieval.

32
Q

What is is the exeutive function of ‘inhibition’?

A

The ability to overcome a subconscious and immediate response to a stimulus

33
Q

what is the executive function ‘updating (working memory)’?

A

A maintence system that is constantly updating and monitoring the input and output of information.

34
Q

Who invented the stroop task and when?

A

Stroop, J.R. 1935

35
Q

What does the stroop task measure?

A

A persons ability to inhibit a prepotent response.

36
Q

What did the Weinstein et al 2011 study want to investigate?

the association between CRF and EF

A

The association between cardiorespitory fitness and executive funtion.

37
Q

what 2 tasks did the Weinstein et al 2011 study on execuitve funtion use?

S task and SWM task

A

Stroop task and spatial working memory tasks

38
Q

What did Weinstein et al hypothesise in their 2011 study on executive function?

That higher F levels, with larger DLPFC V, with better C P

A

Weinstein et al hypothesised that higher fitness levels would be associated with larger dorsolateral prefront cortex volume which would in turn be associated with better cognitive performance.

39
Q

Who were the participants in the 2011 study by Weinstein et al on executive function?

How many? aged between?

A

142 participants aged between 58 and 81

40
Q

How were the participants examined in the 2011 study on executive function by Weinstein et al?

1)volume of gray matter
2)fitness
3)executive function

A

1) Volume of gray matter was examined in the DLPFC area using MRI scans. An Optimised voxel-based morphometry approach was used to asses the gray matter.
2) Cardiorespitory fitness levels were assesed
3) To test the cognitive capabilities and levels of executive function they had the participants perform Stroop tasks and Spatial working memory tasks.

41
Q

What were the results for the Weinstein et al 2011 study on executive function?

What were higher CRF levels associated with in regards to executive function tasks and gray matter volume?

A

The results showed higher cardiorespitory fitness levels were associated with both a better performance on the Stroop and SPWM tasks and a greater gray matter volume in several regions including the DLPFC.

42
Q

what is the Dorsolateral prefrontal cortex area of the brain associated with and why is studying this region in regards to CRF impactful?

provide a way of maintaining/improving E C against the typical D of age.
Provides data on G M D and how this is associated with the P F of E C .

A

the DLPFC is associated with many executive functions, studying the impact of cardiorespitory fitness on this region could provide a way of maintaining or improving our execuitve control against the typical deterioration of age. It also provides data on gray matter density and how this is associated with the psychological function of executive control.

43
Q

In regards to brain and behaviour, what can be deduced regarding top-down and bottom-up processing?

A

It can be deduced that physical changes in the brain such as atrophy caused by brain disorders can impact how we function, yet equally bottom-up processing shows how somatic intervention that influences change in certain behaviours, can alter the anatomy of the brain.