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The amygdala is considered essential for learning and memory of emotional experience, Fanselow said, and also serves as an alarm to activate a cascade of biological systems to protect the body in case of danger. The nuclei of the bed are a set of gray matter of the forebrain that surrounds the stria terminalis, neurons receive information from the prefrontal cortex and the hippocampus and to communicate with the regions of the brain that control behaviors less stress and defensive responses.Fanselow PNAS study was federally funded by the National Institute of Mental Health.

Co-authors include author Andrew Poulos, a researcher in the laboratory is Fanselow, Ravikumar Ponnusamy, a researcher at the laboratory is Fanselow and Hong-Wei Dong, UCLA assistant professor of neurology and member of the UCLA Laboratory of Neuro-imaging.

Although the current study shows this relationship for emotional learning, further research in the laboratory Fanselow is beginning to think that this is a general property of memory.

‘Our results show that when the amygdala is not available, another region of the brain called the bed baseline can compensate for the loss of the amygdala,’ said the study’s lead author, Michael Fanselow, a UCLA professor of psychology and member of the UCLA Brain Research Institute.

The research appears online this week in the first edition of the journal Proceedings of the National Academy of Sciences (PNAS).

‘The bed nuclei are much slower in learning and memory in the form only when the amygdala is not to learn,’ he said. ‘However, when you do not have a tonsil, if you have an emotional experience, it is as neuronal plasticity (the ability to form memory cells of the brain) and the nuclei bed spring into action. Normally, it’s like the amygdala said, ‘I do my job, so you should not learn.’ party with the amygdala, bed nucleus does not receive the signal and are released to learn. ‘

‘Our results suggest a certain optimism that when a particular brain region that is considered essential for a function is lost, suddenly, in other parts of the brain are released to take the job,’ said Fanselow. ‘If we can find ways to promote the compensation, then we can be in a better position to help patients who have lost their memory function due to damage to the brain, such as those who have had a stroke or who have the disease d AD.