Do you remember life’s highs and lows? If not, perhaps you can blame your genes. It looks as if a gene that influences how brains respond to neurotransmitters may affect our ability to recall emotional events.
Such incidents trigger the release of noradrenalin, which stimulates memory storage, says Dominique de Quervain at the University of Zurich in Switzerland. Since the ability to recall emotional events varies from person to person, he wondered if a variant of ADRA2B, the gene that codes for the noradrenalin receptor, could be involved.
To find out, his team selected photos of various events, some unlikely…
