Zusammenfassung der Ressource
Contemporary Approaches
- Genes
- Nature vs Nurture
- Twin studies
- Identical twins (100% of genes shared)
approximately 46% variation in personality,
opposed to fraternal twins (share approx
50% of genes) showed approximately 23%
variation
- Genetic make up of a person
contributes to the devlopment part of
the individuals personality
- Genes account for
approximately 50% of
given traits
- Genes increase the risk of
personality disorders
- Anatomy of the central nervous system
- Eysenck
- Model of personality
- Based on the results of
factor analyses of responses
on personality
- three demensions of eprsonality:
extraversion, neuroticism, psychoticism
- Extraversion
- Extraverts are sociable and
active, they enjoy meeting people
and going to parties
- Extraverts described as showing low levels of
cortical arousal, while introverts were seen as
over-aroused
- Extraverts more sensitive to reward -
(introverts more sensitive to punishment)
- Neuroticism
- Reflecting differences
in the intensity of
emotional experiences
- It might be expected that individuals high in
neuroticism might be more likely to use drugs in
order to reduce or avoid negative emotional
states
- Psychoticism
- Refers to a personality pattern
typified by aggressiveness and
interpersonal hostility
- Individuals high on psychoticism are
tough-minded, non-conformist, willing
to take risks and may engage in
antisocial behaviour
- Measure traits related to
anxiety and depression
- Trait relates to
pschopathy/antisocial
personality disorder
- Biochemistry
- Hormones
- Testosterone
- a sense of separateness
- aggression and risk-taking
- sex drive (not touch affection)
and sexual fantasy
- anxiety or energy leading to
poor concentration
- assertiveness and
self-confidence
- visual-spatial ability and
interest in moving objects
- violent, criminal, or
psychotic behaviour
- Estrogen
- a stable mood and a
sense of well-being
- feminine sexual behaviour
- neuron growth and
improved cognition
- Vasopressin
- influences male social and sexual
behaviour, public communication, and
paternal pattern
- Oxytocin
- promotes touching,
affection and bonding
- Neurotransmitters
- Serotonin system
- Nueroticism/Harm Avoidance
- Dopamine system
- Conscentiousness/novelty seeking
- Norepinephrine system
- Extraversion/Reward
Depenance
- Epinepherine system
- Agreeableness/Persistance
- Histamine system
- Openess/
Rebelious-conformity/
self-directedness