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3. Which biological processes influence personality?

Key Points:

  • Eysenck’s inhibition theory and extraversion–introversion
  • Eysenck and Eysenck’s redevelopment of inhibition theory to formulate arousal theory.
  • A nxiety and performance: potential mechanisms.
  • Sensation seeking, its different aspects and its possible biological underpinnings.
  • Recent work in behavioural genetics has examined the contribution of genetic and environmental factors to human behaviour.
  • Twin and adoption studies of personality and its heritability: environmental versus genetic influences

Copyright 2005 BPS Blackwell