Romantisk kærlighed kan ses som en samling af aktiviteter, der er knyttet til de følelser, der er nødvendige for overlevelse og reproduktion. Kærlighed defineres som et resultat af et gammelt mix af neuropeptider og neurotransmittere. Lyst, tilknytning og tiltrækning er separate, men sammenflettede processer i hjernen, hver styret af sine egne neurotransmittere og kredsløb. Seksuel trang påvirkes af testosteron og østrogen, mens tiltrækning styres af stress- og belønningshormoner som dopamin og noradrenalin.
Titel på undersøgelse:
The neuroendocrinology of love.
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Hele abstrakt på originalsprog:
Romantic love could be considered as a collection of activities associated with the acquisition and retention of emotions needed to survive and reproduce. These emotions change the individual’s behavioural strategies in a way that will increase the likelihood of achieving these goals. Love may be defined as an emergent property of an ancient cocktail of neuropeptides and neurotransmitters. It appears that lust, attachment and attraction appear to be distinct but intertwined processes in the brain each mediated by its own neurotransmitters and circuits. These circuits feed on and reinforce each other. Sexual craving is mediated by testosterone and oestrogen and has the amygdala as an important centre. Attraction is mediated by hormones of stress and reward including dopamine, norepinephrine cortisol and the serotinergic system and has the nucleus accumbens the ventral tegmental area as key mediators.