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Neurometrics

– Overview: – Neurometrics is a method of quantitative EEG for precise estimation of deviations from normal. – Reliable results require good quality raw data, […]

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– Overview:
– Neurometrics is a method of quantitative EEG for precise estimation of deviations from normal.
– Reliable results require good quality raw data, age correlation, Gaussian transformation, and correction for intercorrelations.
– Detects consistent abnormalities in patients with cognitive dysfunctions and psychiatric disorders.
– Neurometrics aids in defining brain disease severity and identifying subgroups of abnormalities.
– Useful for determining therapy and monitoring its effectiveness.

– Expansion of Neurometrics:
– Field expanded significantly in the 1990s due to inexpensive computer-EEG linking methods.
– Leading researchers include Frank Duffy, E. Roy John, and Robert Thatcher.
– Thousands of articles in neurometrics have been published since the 1980s.
– Entrepreneurs noticed the potential in the late 1980s, leading to FDA filings for neurometric software and EEG devices.
– Devices compare EEG data to normative databases to evaluate mental and psychiatric conditions.

– Neurometrics Texts:
– In 1977, Roy John and Robert Thatcher published “Neurometrics” as one of the first texts in the field.
– The book “Neurometrics: Clinical Applications of Quantitative Electrophysiology” by E. Roy John was published in 1977.
– These texts laid the foundation for understanding and applying neurometrics in clinical settings.

– Neurometric Software and Devices:
– Lexicor Medical Technology filed one of the first FDA class two filings for Neurometric software in 1991.
– NxLink Ltd. and Robert Thatcher followed with FDA filings for Neurometric Analysis Systems in 1998 and 2004, respectively.
– BRC Operations PTY Limited filed the BRC Software Product with the FDA in 2005.
– These software and devices compare EEG data to norms and help clinicians measure deviations from normal.

– Clinical Applications:
– Neurometrics aids in detecting and quantifying abnormal brain organization.
– It provides a quantitative definition of brain disease severity.
– Identifies subgroups of pathophysiological abnormalities within patient groups.
– Helps in determining therapy and monitoring its efficacy.
– Useful in evaluating various mental and psychiatric conditions.

Neurometrics (Wikipedia)

Neurometrics is the science of measuring the underlying organization of the brain's electrical activity. Certain brainwave frequencies are associated with general psychological processes. EEGs are used to measure the brain waves.

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