BIOLOGICAL APPROACH Flashcards
TRAITS
- characteristics that make up a personality
TWO MAIN ASPECTS OF PERSONALITY FEATURED IN HANS EYSENCK THEORY (1947)
- Introversion
- Extraversion
WHAT DO EXTROVERTS INHERIT
an underactive nervous system
WHAT DO INTROVERTS INHERIT
an overreactive nervous system
MONOZYGOTIC TWINS
twins that share 100% of genes (identical twins)
DIZYGOTIC TWINS
twins that share 50% of genes (non identical twins)
GENOTYPE
refers to an individuals actual genetic make-up (nature)
PHENOTYPE
refers to how genes are expressed (nurture)
SRY GENE
sex-determining
region Y gene
NEUROANATOMY
refers to the structure of the brain and nervous system
HEMISPHERIC LATERALISATION
idea that each hemisphere is responsible for different functions
MOTOR AREA
controls voluntary movements of the body
SOMATOSENSORY AREA
processes information about touch, pain, temperature etc.
e.g touch and heat = pain
VISUAL AREA
processes information from our eyes
PHINEAS GAGE (1868)
Phineas lost front part of brain due to mining incident as a result it changed his personality from kind, respectful to hostile and angry