Aptitude: The ability to acquire general or special types of knowledge or skill.Aptitude Tests: Primarily non-verbal tests designed to predict an individual's future learning ability or performance.School Admission Criteria: Requirements for the selection of students for admission to academic institutions.Child, Gifted: A child or adolescent who, when compared to others of the same age or experience, exhibits capability of high performance in intellectual, creative, or artistic areas, possesses an unusual capacity for leadership or excels in specific academic fields. (From PL 100-297, Sec. 4103, Definitions)College Admission Test: Test designed to identify students suitable for admission into a graduate or undergraduate curriculum.Creativity: The ability to generate new ideas or images.Brain-Computer Interfaces: Instrumentation consisting of hardware and software that communicates with the BRAIN. The hardware component of the interface records brain signals, while the software component analyzes the signals and converts them into a command that controls a device or sends a feedback signal to the brain.Music: Sound that expresses emotion through rhythm, melody, and harmony.Educational Measurement: The assessing of academic or educational achievement. It includes all aspects of testing and test construction.Students, Medical: Individuals enrolled in a school of medicine or a formal educational program in medicine.Event-Related Potentials, P300: A late-appearing component of the event-related potential. P300 stands for a positive deflection in the event-related voltage potential at 300 millisecond poststimulus. Its amplitude increases with unpredictable, unlikely, or highly significant stimuli and thereby constitutes an index of mental activity. (From Campbell, Psychiatric Dictionary, 6th ed)Achievement: Success in bringing an effort to the desired end; the degree or level of success attained in some specified area (esp. scholastic) or in general.Schools, Medical: Educational institutions for individuals specializing in the field of medicine.Education, Medical, Undergraduate: The period of medical education in a medical school. In the United States it follows the baccalaureate degree and precedes the granting of the M.D.Clinical Competence: The capability to perform acceptably those duties directly related to patient care.Cognition: Intellectual or mental process whereby an organism obtains knowledge.