A few days in the dark can improve an animal's hearing, scientists report this week in the journal Neuron. This temporary loss of visual input seems to trigger favorable changes in areas of the brain that process auditory information, they say.
Originally published on Thu February 6, 2014 6:04 am
Think about your fifth-birthday party. Maybe your mom carried the cake. What did her face look like? If you have a hard time imagining the way she looked then rather than how she looks now, you're not alone.
The brain edits memories relentlessly, updating the past with new information. Scientists say that this isn't a question of having a bad memory. Instead, they think the brain updates memories to make them more relevant and useful now — even if they're not a true representation of the past.