Glossary B

Brain abscesses refers to a "walled-off," localized pocket of pus within the brain which is usually related to an infection.

brain circuit refers to neurotransmitter current or neural pathway in the brain.

Brain circuits refer to paths made up of clustered neurons that connect one part of the brain to another.

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Brain death refers to a condition with no sign of brain activity and no response to any stimulus. It is a definition of death based on eight (8) criteria, including lack of brain function.

Brain growth spurt refers to the period between the seventh prenatal month and 2 years of age when more than half of the child’s eventual brain weight is added.

Brain herniation refers to a pathologic process associated with increasing intracranial pressure that occurs in the cranium, which may result in a displacement and deformation of the brain.

Brain hypothesis suggests that the brain is the source of all behavior.

Brain imaging refers to the construction of pictures of the anatomy and functioning of intact brains through such techniques as computerized axial tomography (CAT, or CT), positron emission tomography (PET ), magnetic resonance imaging (MRI), or functional magnetic resonance imaging (fMRI).

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