rheoencephalography

n. the measurement of blood flow of the brain, typically using a device known as a rheoencephalograph that records the impedance (resistance) of cerebral vessels to the passage of an electrical current. —rheoencephalographic adj.

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Psychology term of the day

February 18th 2025

underachiever

n. a person who consistently achieves below his or her demonstrated capacity. Underachievement may be specific to an area of study or work, or it may be general. It is more prevalent among boys than girls and is quite common in bright and even gifted children. It is also prevalent among average students and children with special needs. Compare overachiever.