changing the brain - CHANGING THE BRAIN Brain is constantly...

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CHANGING THE BRAIN Brain is constantly changing Environment effects changes in the brain Changes in the mind are direct consequence of changes in the neurons Brain’s ability to compensate o No cerebellum Parkinson’s disease Neurodegenerative disorder Loss of dopamine cells in the substantia nigra Profound disturbances in movement Cognitive deficits Don’t show symptoms until 60-80% of cells are already gone o Brain compensates o Brain plasticity Brain Plasticity Changes in neural pathways and synapses Enriched environments o Study Adult rats in sparse vs enriched environment “if you use it, it will grow” The amount of neural connections was greater in the enriched environment In enriched environment Thicker/more/larger cerebral cortex, cortical neurons, acetylcholine, synapses per neuron, synapse and increased learning abilities o Bucharest Early Intervention Project Leader of Romania, thought way to grow power was to grow population instituted ban on birth control, abortions, tax if you have less than 5 kids Nikolae Ceausescu’s 1966 decree Goal= increase population Result= child abandonment and instutionalization o
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