Neuroscientists reverse memories' emotional associations [MedicalXpress.com]

Samantha Sangenito 8/28/144:00 AM

Most memories have some kind of emotion associated with them: Recalling the week you just spent at the beach probably makes you feel happy, while reflecting on being bullied provokes more negative feelings.
A new study from MIT neuroscientists reveals the brain circuit that controls how memories become linked with positive or negative emotions. Furthermore, the researchers found that they could reverse the emotional association of specific memories by manipulating brain cells with optogenetics—a technique that uses light to control neuron activity.

[For more of this story, written by Anne Trafton, go to http://medicalxpress.com/news/...al-associations.html]

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