HOLZEL ET AL KEY WORDS Flashcards

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1
Q

Localisation of brain function

A

The idea that certain functions have certain locations within the brain.

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2
Q

Brain plasticity

A

The ability of the NS to change its activity. In response to external or internal stimuli. By reorganising it’s structure, functions, connections.

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3
Q

Hippocampus

A

Part of the brains limbic system. Involved in memory learning and emotion. Memory- It holds STM and transfers them to long term storage. Emotions- plays a role in emotional processing.

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4
Q

MRI

A

Non invasive neuro-imaging technology. That produces
3 dimensional detailed anatomical images.

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5
Q

Grey matter

A

Tissue in the brain and spinal cord. Allows individuals to control movement, memory and emotions.

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6
Q

Longitudinal study design

A

Employs continuous/repeated measures to follow particular individuals over prolonged periods often years decades.

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7
Q

Mindfulness

A

A formalised meditation practice. That focuses on non judgmental awareness of the present moment

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8
Q

Brain lateralisation

A

The relegation of cognitive processes to different regions in the brain. (Left/right hemisphere)

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9
Q

Psychology being investigated

A
  1. Mindfulness meditation
  2. Localisation of brain function
  3. Neuroplasticity
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10
Q

Psychology being investigated
Localisation of function

A

Localisation can be investigated with brain scanning techniques. Conclusions can be made between the relationship between
behaviours, cognition with structure + function of the brain. The hippocampus and insula have localised functions.

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11
Q

What type of brain scans are used to study localisation?

A

Structural- Takes detailed pictures of the brain (MRI)
Functional- scans the brains activity levels in different areas. (FMRI)

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12
Q

FMRI - functional magnetic resonance imaging

A

Neuro- imaging technique that measures brain activity by detecting changes associated with blood flow.

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13
Q

The hippopotamus (localised function)

A

Part of the brains limbic system. Associated with memory, learning and emotions.
1. Memory: concerts STM into LTM storage
2. Emotions: emotional processing/arousal and responsiveness of the cortex.

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14
Q

The insula (localised function)

A

Enables perception of pain, awareness of the body and self.

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15
Q

Psychology being investigated Neuroplasticity

A

The study hypothesis that mindfulness can lead to changes in brain structures. As the brain is malleable, can be shaped by experiences such as mediation.

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16
Q

Psychology being investigated (mindfulness)

A

Mindfulness can improve mental health and cognitive functioning, theorised to induce changes in specific area of the brain.

17
Q

Background-

A

Mindfulness
MRIs
Cross sectional vs longitudinal studies

18
Q

Aim of the study

A

Investigate the potential LTE of a (mindfulness based) stress reduction program. On brain grey matter density. Before and after a mindfulness course.

19
Q

Sample

A

Opportunity sample

20
Q

How was the smaller recruited?

A

Recruited from MBSR courses. To learn stress reductions or doctor refferal.

21
Q

Sample- details

A

Mentally and physically healthy (not taking med)
Limited experiences of meditation classes
All fit to have MRIs (non claustrophobic/metal)
All committed to attend sessions/complete HW

22
Q

Age range of ppts

A

22-55

23
Q

Method

A

Experiment using a longitudinal design as a group of ppts was tested pre and post interventions.

24
Q

IV

A

Exposure to an 8 week course

25
Q

DV

A

Any changes in grey matter

26
Q

Data collection

A

FMRIs/questionnaire

27
Q

Sample -control group

A

17 ppts
Mean age 39.0
Similar
Educated

28
Q

Sample- experimental

A

16 ppts
Mean age= 38.0
13 whites, 1 Asian, AA, multi ethnic
Educated