<unk> , also<unk> <unk>  syndrome, is an impairment of the<unk> <unk>  that occurs due to disease or<unk> <unk>  injury. The<unk> <unk>  of the brain plays a key role in executive functions such as motivation, planning, social behaviour, and speech production.<unk> <unk>  syndrome can be caused by a range of conditions including head trauma, tumours, neurodegenerative diseases, Neurodevelopmental disorders, neurosurgery and cerebrovascular disease.<unk> <unk>  impairment can be detected by recognition of typical signs and symptoms, use of simple screening tests, and specialist neurological testing.
Frontal lobe disorder
Diving disorders
Episodic dyscontrol syndrome
Tic disorder
Impulse-control disorder
Motivational deficiency disorder
Communication disorder
Spectrum disorder