Focal impaired awareness seizure (Human Phenotype Ontology entry HP_0002384) (or focal seizure with impaired or lost awareness) is a type of focal-onset seizure characterized by some degree (which may be partial) of impairment of the person's awareness of themselves or their surroundings at any point during the seizure. Also known as: Complex focal seizures, Complex partial seizure, Complex partial seizures, Dyscognitive seizures, Focal dyscognitive seizure, Focal impaired awareness seizures, Focal seizure with impairment of awareness, Focal seizure with loss of awareness.