Memory is the process by which the brain first acquires information, then stores it and retrieves it when needed. It is an amazing and mysterious phenomenon. The brain functions are mapped by instrument like Position Emission Tomography (PET) and functional Magnetic Resonance Imaging (MRI). Memories are laid down as sequences of electrical activity that connect brain cells, or neurons, in various parts of the brain. These electrical pathways link all our senses and connect our sensory input to our physical and emotional responses, storing it all into memory.
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