Behavioral neurology is a subspecialty of neurology that studies the impact of neurological damage and disease upon behavior, memory, and cognition, and the treatment thereof. Two fields associated with behavioral neurology are neuropsychiatry and neuropsychology. In the United States, 'Behavioral Neurology & Neuropsychiatry' has been recognized as a single subspecialty by the United Council for Neurologic Subspecialties (UCNS) since 2004. Syndromes and diseases commonly studied by behavioral neurology include: Agraphia Agnosias Agraphesthesia Alexia (acquired dyslexia) Amnesias Anosognosia Aphasias Apraxias Aprosodias Attention deficit/hyperactivity disorder Autism Dementia Dyslexia Epilepsy Hemispatial Neglect Psychosis Stroke Traumatic brain injury While descriptions of behavioral syndromes go back to the ancient Greeks and Egyptians, it was during the 19th century that behavioral neurology began to arise, first with the primitive localization theories of Franz Gall, followed in the mid 19th century by the first localizations in aphasias by Paul Broca and then Carl Wernicke. Localizationist neurology and clinical descriptions reached a peak in the late 19th and early 20th century, with work extending into the clinical descriptions of dementias by Alois Alzheimer and Arnold Pick. The work of Karl Lashley in rats for a time in the early to mid 20th century put a damper on localization theory and lesion models of behavioral function. In the United States, the work of Norman Geschwind led to a renaissance of behavioral neurology. He is famous for his work on disconnection syndromes, aphasia, and behavioral syndromes of limbic epilepsy, also called Geschwind syndrome. Having trained generations of behavioral neurologists (e.g., Antonio Damasio), Geschwind is considered the father of behavioral neurology. The advent of in vivo neuroimaging starting in the 1980s led to a further strengthening of interest in the cognitive neurosciences and provided a tool that allowed for lesion, structural, and functional correlations with behavioral dysfunction in living people.

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Related concepts (3)
Agnosia
Agnosia is the inability to process sensory information. Often there is a loss of ability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss. It is usually associated with brain injury or neurological illness, particularly after damage to the occipitotemporal border, which is part of the ventral stream. Agnosia only affects a single modality, such as vision or hearing.
Neuropsychology
Neuropsychology is a branch of psychology concerned with how a person's cognition and behavior are related to the brain and the rest of the nervous system. Professionals in this branch of psychology often focus on how injuries or illnesses of the brain affect cognitive and behavioral functions. It is both an experimental and clinical field of psychology, thus aiming to understand how behavior and cognition are influenced by brain function and concerned with the diagnosis and treatment of behavioral and cognitive effects of neurological disorders.
Traumatic brain injury
A traumatic brain injury (TBI), also known as an intracranial injury, is an injury to the brain caused by an external force. TBI can be classified based on severity ranging from mild traumatic brain injury (mTBI/concussion) to severe traumatic brain injury. TBI can also be characterized based on mechanism (closed or penetrating head injury) or other features (e.g., occurring in a specific location or over a widespread area). Head injury is a broader category that may involve damage to other structures such as the scalp and skull.

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