The Brain: A Social Construction Site

Have you ever wondered how the social experiences you had early in life affected the way your brain developed?  How was your cerebral architecture influenced by the games of ‘peek-a-boo’ your parents played with you as a toddler or the exciting games of hide-and-seek you played with the neighborhood kids?  How would we be different if we were deprived of these experiences due to parental neglect or social isolation?  Is it possible that early life experiences shaped the way we perceive the world in adulthood, as well as determined our capacity to learn and remember?  And if so, what are the physical substrates for these processes?Continue reading

My, oh myelin!

How many neural processes are going on within your body as you read this sentence?  The answer to this question is hard to fathom, I know, but give it a shot.   Try to imagine all the physiological events that are being controlled by your nervous system at this very moment.  Our nervous systems control a dizzying array of sensory, motor, and cognitive processes simultaneously, without us granting them “permission” to do so.  In fact, most of our neural functions require no mental energy on our part whatsoever!  For this reason, it is extremely easy to take these basic processes for granted.  However, if we were to witness the suffering of an individual with multiple sclerosis, we might begin to appreciate these things a little more.Continue reading