Medical Definition of SPECTROMETER. 1. : an instrument used for measuring wavelengths of light spectra. 2. â specÂ·troÂ·metÂ·ric \Ëspek-trÉ-Ëme-trik\ adjective.
It is important to denote the proband, so that the relationship to other individuals can be seen and patterns established. In most cases, the proband is the first affected family member who seeks medical attention for a genetic disorder.
probands with one parent affected with adhd or with neither parent affected with adhd are eligible probands from bilineal families families with both parents affected with adhd will be excluded for statistical reasons