outcome 2 Flashcards

Methodologies, Ethical considerations, Sampling, Types of data, Processes of the brain, Acquired brain injury, Contemporary research, CTE (69 cards)

1
Q

Controlled experiment

A

A type of investigation in which the causal relationship between two variable is tested in a controlled environment

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2
Q

Case study

A

A type of investigation of an individual/ group/ phenomenon that contains a real/hypothetical situation.

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3
Q

Correlational study

A

A type of non experimental study in which researchers observe and measure between 2 or more variables without any active control

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4
Q

Classification and identification

A

Classification - the arrangement of “phenomena/ objects/ events” into manageable sets
Identification - the process of recognising which “” is in each set

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5
Q

Fieldwork

A

Any research involving observation and interaction with people and environments in real world settings

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6
Q

Literature review

A

The process of collating secondary data in order to answer a question or provide background info

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7
Q

Modelling

A

The construction of a physical/ conceptual model that represents a system

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8
Q

Simulation

A

A process of using a model to study the behaviour of a real/theoretical system

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9
Q

Extraneous variable

A

Any variable that is not the independent variable but may cause an unwanted effect on the dependent variable

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10
Q

Confounding variable

A

A variable that has directly and systematically affected the dependent variable, apart from the independent variable

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11
Q

Confidentiality

A

The privacy, protection and security of a participants personal information

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12
Q

Informed consent

A

Ensures participants understand the experiment and the risks before agreeing

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13
Q

Voluntary participation

A

Ensures no coersion is placed on participant to partake

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14
Q

Use of deception in research

A

The act of misleading participants ab/ the nature of the study

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15
Q

Withdrawal rights

A

Participants have the right to discontinue their involvement at any time

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16
Q

Debriefing

A

Ensures the participant leaves with an understanding of the purpose, aim and results

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17
Q

Independent variable

A

The variable that is manipulated by the researcher. The “cause”

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17
Q

Hypothesis

A

A testable prediction about the outcome of an investigation

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18
Q

Dependent variable

A

The variable that is measured. The “effect”

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19
Q

Sample

A

A subset of the research population

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20
Q

Random sampling

A

Any sampling technique that uses a procedure to ensure every member of the population has equal chance of selection.

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21
Q

Stratified sampling

A

Any sampling technique that involves selecting people from the population that ensures that it’s strata is represented

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22
Q

Primary data

A

Data collected first hand by the researcher

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23
Q

Secondary data

A

Data sourced from others’ prior research

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24
Qualitative data
Data expressed non-numerically
25
Quantitative data
Data expressed numerically
26
Objective data
Factual data; measured/ observed independent of personal opinion
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Subjective data
Data informed by personal opinion
28
The hindbrain
The hindbrain is a region at the base of the brain. It coordinates basic survival functions such as movement, breathing rate, heart rate, and digestion.
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Parts of the hindbrain
Cerebellum, Medulla, Pons
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Function of the cerebellum
Monitors skeletal muscle movement, balance and posture, and controls procedural or sequential movements
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Function of the medulla
Regulates autonomic processes (respiration, heart rate, blood pressure and digestion) and initiates reflexive actions (coughing, sneezing, vomiting)
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Function of the pons
Relays information between the forebrain and the hindbrain Regulates respiratory system, controls sleeping, dreaming and waking
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The midbrain
The midbrain is a region at the center of the brain and is a part of the brain stem. It processes sensory information, coordinate motor movement relating to sensory stimuli, and regulates sleep
34
Parts of the midbrain
Reticular Formation
35
Function of the reticular formation
Filters neural information that is travelling to the brain and directs these messages to various areas and structures of the brain
36
The forebrain
The forebrain is a large and prominent brain region, located at the top and front of the brain. It is responsible for sophisticated mental process, cognition, perception, learning, language and memory
37
Parts of the forebrain
Cerebrum, hypothalamus, thalamus
38
Function of the cerebrum
The largest structure of the brain, has two hemispheres, connected corpus callosum. Contains cerebral cortex which is responsible for many functions.
39
Function of the hypothalamus
Regulates internal processes (hormone levels, hunger, thirst, body temp, blood pressure) as well as functions relating to emotional and motivated behaviours (sex, feeding)
40
Function of the thalamus
Relay center for sensory information (excluding olfactory senses)
41
Define cerebral cortex
The cerebral cortex is the outer layer of the cerebrum
42
The 4 distinct lobes of the cerebral cortex are…
The frontal lobe, the parietal lobe, the occipital lobe and the temporal lobe
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Functions of the frontal lobe
Volition, judgement, abstract thinking, problem solving, memory, self awareness, emotional behaviour, personality, voluntary movement of skeletal muscles
44
Associated regions of the frontal lobe
Primary motor cortex, Broca’s Area
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Primary Motor Cortex
Controls voluntary skeletal muscle movements
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Bronca’s Area
Controls language expression and the muscles required for speech
47
Functions of the parietal lobe
Receives and processes bodily sensory information. Modulates attention and spatial perception. Damage may result in spatial neglect
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Associated areas of the parietal lobe
Primary somatosensory cortex
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Primary somatosensory cortex
Responsible for registering and processing sensory info from skin, organs, etc. to form perception of touch, pressure, pain, temperature, and muscle movement
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Functions of the temporal lobe
Interprets auditory information, comprehension of language, formation of memory, recognition of faces, emotional control
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Associated areas of the temporal lobe
Primary auditory cortex, Wernicke’s area
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Primary Auditory Cortex
Receives and process auditory information
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Wernicke’s Area
Wernicke’s area is responsible for the comprehension of speech, enabling the understanding of spoken language
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Functions of the occipital lobe
Processes and interprets sight
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Associated areas of the occipital lobe
Primary visual cortex
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Primary visual cortex
The primary visual cortex has an important role in receiving and processing visual information
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Traumatic brain injury
Caused by external factors or forces
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Non traumatic brain injury
Caused by internal factors
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Acquired brain injury
Any type of brain damage that occurs after birth
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How does an acquired brain injury affect functioning?
Biologically, Psychologically, Socially
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How does an acquired brain injury affect biological functioning?
Behaviour, organ function, cellular and nueronal function
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How does an acquired brain injury affect psychological functioning?
Cognition, behaviour, emotion
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How does an acquired brain injury affect social functioning?
Relationships, interpersonal skills, interactions with environment
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Machine learning
An element of artificial intelligence that allows software to become more accurate at predicting outcomes by mimicking the way that humans learn
65
Gut - brain axis
Gut-brain axis is the bidirectional connection between the gut and the brain through multiple parts of the nervous system
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Chronic traumatic encephalopathy
CTE is a fatal neurodegenerative disease associated with repeated brain injuries
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Symptoms of CTE
Memory loss, depression, anxiety and paranoia, mood impairments, difficulties in executive functioning, attention and concentration, and disturbances in behaviour
68
CTE diagnosis
CTE can only be diagnosed post-mortem through brain tissue analysis. Brain tissue slices are stained to make visible the widespread build-up of p-tau; which forms neurofibrillary tangles.