Neuropsychiatry Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
psychomotor agitation
Physical restlessness and increased motor activity associated with psychological distress, commonly seen in mood disorders.
cognitive behavioral therapy
A structured psychotherapy approach focusing on identifying and changing negative thought patterns and behaviors.
cognitive fluctuation
Variability in cognitive performance and alertness levels that changes throughout the day or over time periods.
comorbidity
The simultaneous presence of two or more medical or psychiatric conditions in a patient.
confabulation
Production of false or distorted memories without intention to deceive, often associated with memory disorders.
delusional misidentification
False belief about the identity of familiar people, places, or objects, commonly seen in dementia and psychiatric condit...
derailment
A form of thought disorder characterized by loosely associated ideas that shift from one topic to another without logica...
disinhibition
Loss of normal behavioral restraint resulting in socially inappropriate or impulsive actions, often seen in frontal lobe...
DSM-5-TR
The current edition of the Diagnostic and Statistical Manual of Mental Disorders used for psychiatric diagnosis.
dystonia
Involuntary muscle contractions causing sustained twisting movements or abnormal postures, often medication-induced.
EEG artifact
Non-cerebral electrical activity that appears on electroencephalogram recordings, potentially mimicking pathological fin...
electroencephalogram
A diagnostic test that measures electrical activity in the brain using electrodes placed on the scalp.
executive function
Higher-order cognitive processes including working memory, cognitive flexibility, and inhibitory control.
extrapyramidal symptoms
Movement disorders caused by antipsychotic medications affecting the extrapyramidal motor system.
flight of ideas
A thought disorder characterized by rapid succession of ideas with logical connections but frequent topic changes.
functional neuroimaging
Brain imaging techniques that measure brain activity and function rather than just structure.
galantamine
A cholinesterase inhibitor medication used to treat mild to moderate dementia in Alzheimer's disease and vascular dement...
Glasgow Coma Scale
Standardized assessment tool measuring consciousness level through eye, verbal, and motor responses.
hypnagogic hallucination
Vivid, often frightening sensory experiences occurring at the transition from wakefulness to sleep.
hypnopompic hallucination
Vivid sensory experiences occurring during the transition from sleep to wakefulness, often accompanying sleep paralysis.
ICD-11
The 11th revision of the International Classification of Diseases, including updated neuropsychiatric diagnostic codes.
ictal
Relating to or occurring during a seizure episode.
ideomotor apraxia
Inability to perform learned motor tasks on command despite understanding the request and having intact motor function.
interictal
Relating to the period between seizures in patients with epilepsy.
kindling
A neurobiological phenomenon where repeated subthreshold stimuli eventually lead to seizures or mood episodes.