WEEK 5 Flashcards

1
Q

Does personality change?

A

yes

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2
Q

Teens & 20s are…

A

more aggressive, disruptive, criminal

  • slows down in 30s
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3
Q

Who is the most aggressive age group?

A

Toddlers

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4
Q

A Cohort is…

A

People who are developing or going through similar situations at same time

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5
Q

Childhood personalities….

A

Predict adulthood personalities

e.g.
• Childhood agreeableness and self-control—adult success at work, relationships
• Childhood impulsiveness—adult loud talkers

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6
Q

Personality disorders are….

A
  • Personality disorders are stable

* Once a narcissist, always a narcissist

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7
Q

What is temperment?

A

• Precursor to personality

  • basically baby level personality
  • thought to be linked to genetics
  • as babies can’t be extraverted/introverted
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8
Q

What are things that shape your personality?

A

• Body features
- attractiveness, Born male/female, tall/short –> Shape how others react to you

• Environmental features
- Born in the country/city, rich/poor, small family/large family

• Early experience
- stress

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9
Q

What is the relationship between stress and development?

A

Curvilinear relationship
- a certain threshold of stress must be experienced in childhood for optimal development

  • too much or too little stress exposure in childhood and result in problems in adulthood
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10
Q

Do trigger warnings help?

A

No, they are counter productive

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11
Q

How do you cope with traumatic events and PTSD?

A
Learn to cope with reminders
• Reframe
• Okay to be sad
• You’re not alone
• Exposure therapy (slow increase exposure to that thing until you're no longer discomforted by it)
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12
Q

Person-Environment transactions

A
  • People seek out environments to fit them
  • Avoid environments that don’t fit them
  • Shape environments that then reinforce their personality
  • Positive children reinforce positive feedback from parents
  • makes it difficult to disentangle genes from environment to explain this.
    (e. g. warm temperament due to genes or positive feedback from parents?)
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13
Q

How much can personality change across different ages?

A
  • Childhood r = .31
  • University years r = .54
  • 50 to 70 years old r = .74
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14
Q

Why does personality tend to have a lower chance of changing as we get older?

A
  • Roles, relationships, goals stable

* Reliant on current system, oppose change

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15
Q

What determines if a person is not the same person anymore? What is the true self?

A

The true self = the moral self

e.g. used to think robbing banks is bad but now doesn’t

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16
Q

What are some RESEARCH methods to test personality development?

A

Cross-Sectional Studies
• Compare people at different ages today
• Cohort effects! (comparing 2 different generations)

Longitudinal Studies
• Compare same people at different ages
• Long studies! (follow people for years)
• Mostly similar developmental profiles for Big 5

17
Q

Do people become more conservative as

they age?

A

No, political change often occurs not by changing

old minds but as aging generations die

18
Q

What percentage of people want to change something about their personality and why don’t they?

A

• 87-97% want to change something about themselves• (Old people want to change as much as anyone else)

Why don’t we change? Maybe conflicted desires?
• Conscientious—but also want to relax
• Outgoing—but really just want more friends

19
Q

How can you change your personality?

A

• Psilocybin (drug- magic mushroom)
- Increases openness to experience over a year later

• Living abroad

  • Learn norms are culturally relative
  • Have to be flexible
  • Increased creativity

• General Interventions

  • Investment in schools, nutrition & health, parenting classes, one-onone learning
  • Lasting student success

• Targeted Interventions

  • Easier to change specific behaviours than major traits like extraversion or neuroticism
    e. g. Fear of snakes vs. general fear

• Psychotherapy

  • Identify traits/behaviours you want to change
  • Develop plan to change them
  • Small changes in behaviour can produce lasting trait changes
20
Q

How do you correlate brain and behaviour/feelings/thoughts

A

Brain Scans

21
Q

How do you correlate body and behaviour/feelings/thoughts

A
  • Heart rate
  • Respiratory rate

• Skin conductance response

  • Increased sweat gland activity
  • Physiological/psychological arousal
22
Q

What is the purpose of biological measures in personality psychology?

A

Looking for Brain and Body individual differences

–> and hoping these indicate differences in
psychological processes
(involves making an inference) –> problem of inferences reduced by prior existing evidence/data

23
Q

What is the Somatic marker hypothesis?

A

When we notice a physiological response (e.g. increase heart rate) it can help us understand what emotion we’re feeling based on the situation we’re in.

  • e.g. watching horror movie–> notice HR increase –> oh I must be fearful right now
24
Q

What is the problem with drawing inferences from

Biological Measures?

A

This biological data can be ambiguous and make it difficult to make inferences as to what data actually means.

e.g. Brain activity -> is it fear or is the activity as a result of fear and trying to calm us down or is the brain activity causing the fear?

25
What are two Aspects of the Brain That Can Be Examined with Technology?
Anatomy: functions of parts of the brain Biochemistry: effects of neurotransmitters and hormones on brain processes • Both are related to personality and behaviour
26
How do we learn about how brain structure relates to personality?
* Lesions (injury to brain) * Brain stimulation (simulate a lesion) * Brain scans
27
Who is Phineas Gage?
• Railway worker impaled by a rod which went through his Front lobe - went from nice guy to mean guy with little self-control - indicates this area of his brain was probably responsible for this aspect of his personality
28
What are the issues with information from Lesions?
``` Legions informative but accidental • Rarely precise area damaged • Traumatic (changes in behavior could be do to this) • Irreversible • Animal models ```
29
What is Transcranial magnetic stimulation (TMS) / Transcranial direct current stimulation (tDCS) and the advantages / disadvantages?
Technology that allows us to create temporary artificial brain legions Advantage • Manipulates state of brain temporarily (temporary lesion) • No permanent damage Disadvantage • Cost ($100,000/unit) • Training • Ethics approval nightmare
30
What are the advantages/disadvantages of Brain scans (fMRI, EEG)
Advantages • Allow measurement of brain during “normal” activity • See either location or timing of brain processes Disadvantages • More expensive to way more expensive • EEG → MRI ($500/hr!) • Invasive - MRI can be terrifying - Loud, cramped, completely novel - EEG can be uncomfortable - Cap application - Physical space
31
How does fMRI work and advantages/disadvantages?
Records Blood oxygenation in relatively active areas - must compared regular brain activity looks like and what it looks like during task to find out which region is doing the cognitive processing (10% of brain myth) * Good spatial resolution (where things are happening) * Bad temporal resolution (not in real time - delayed as blood flow is slow) • “Behaviour” within scanner (limited in what behaviour can be study - as you can't move)
32
How does ECG work and advantages/disadvantages?
* EEG: Electroencephalogram * Electric activity of active neurons in brain * Good Temporal resolution * Bad spatial resolution * Behaviour slightly more portable
33
What is network analysis?
A recent development that takes a holistic approach (looks at the brain as a whole compared to localized areas for specific functions) * Emphasizes interconnectedness of brain * Brain functions less localized, more distributed - e.g. Emotion “areas” are really networks (patterns across the whole brain code for specific emotions)
34
Neurotransmitters
* Neurons communicate with neurotransmitters * Neurotransmitters stimulate or inhibit neural activity * About 60 chemicals transmit information in the brain and body * 100 billion neurons
35
Dopamine
* Neurotransmitter * Involved in responding to reward and approaching attractive objects and people * Related to sociability, general activity level, and novelty seeking (extraversion) * Parkinson’s disease—low dopamine * Many addictive drugs increase synaptic dopamine or prevent its re-uptake - keeping it in the system to rebind to the receptors of the receiving neuron