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The responses that are given from the brain can be tangible things we see . With it , the interrelationships between precisely defined areas of the brain can be studied in action again and again in the same subject — individual brains can be wired quite differently — revealing subtle details of processing . The brain can quickly be influenced , leading to misinterpretation among many , often even resulting in confrontation / argument . If the low blood sugar continues too long , the brain can be harmed . Using confocal laser-scanning fluorescence microscopy the reconstruction of three-dimensional images from digital data of a series of two-dimensional pictures is possible and any details of the three-dimensional neuronal cytoarchitecture in polyclad brains can be mapped . " I've given over 800 lectures in my career and still it 's as if the idea that the brain can be enriched is new , " she said . It is amazing to me how our brains can quickly connect situations that we may not believe are related but seem to have things in common . This is why a ' narrow ' , phonetic script is more useful for FL learners than a ' broad ' , phonemic script that native speaker brains can quickly figure out ( because they have over-learned their language and can apply it top down in all aspects to such a linguistically under-determined script ) . While I do n't think any one part of the brain can be the " home " of anything so complex , I am willing to accept that the posterior cingulate may be a major contributor to self-evaluation gone haywire . Blood flow to the brain can be interrupted by a blood clot or plaque in the blood vessel , known as atherosclerosis . Imagine a future in which brains can be hooked up to bodies at a distance , by ( in effect ) instantaneous signals and transceivers . The Serendip page also says that our brains can be refined in adulthood by our professions , hobbies , etc ., but I've also read that some neural pathways ca n't be changed , for example , those who grow up with languages with no " L " or " R " sounds cannot learn to make those sounds in adulthood . Sheep brains can be damaged in this way by both BSE and scrapie-a prion disease that affects sheep but is not thought to harm humans .