Related Experiment Video
Updated: Apr 19, 2026

05:30
Controlled Cortical Impact Model for Traumatic Brain Injury
Published on: August 5, 2014
30.0K
Interactions between traumatic brain injury and frontotemporal degeneration
Mariel B Deutsch1, Mario F Mendez, Edmond Teng
1Department of Neurology, University of California, Los Angeles, Calif., USA.
Dementia and Geriatric Cognitive Disorders
|December 23, 2014
Summary
Traumatic brain injury (TBI) may increase the risk of frontotemporal degeneration (FTD). TBI influences FTD subtypes
Area of Science:
- Neuroscience
- Neurology
- Neurodegenerative Diseases
Background:
- Previous studies in limited populations suggest a link between traumatic brain injury (TBI) and increased risk for frontotemporal degeneration (FTD).
- The National Alzheimer's Coordinating Center Uniform Data Set provides a larger cohort for investigating this association.
Purpose of the Study:
- To confirm and expand upon prior findings regarding TBI as a risk factor for FTD.
- To examine how TBI influences the clinical presentation and severity across different FTD subtypes.
Main Methods:
- Comparison of TBI prevalence between FTD patients and healthy controls.
- Assessment of cognitive, behavioral, functional, and global dementia severity in FTD patients with and without a history of TBI.
Main Results:
- Remote TBI with extended loss of consciousness (TBI-ext) was significantly more prevalent in individuals with FTD compared to controls (OR: 1.67).
- FTD patients with TBI-ext showed less functional and global impairment in the behavioral variant but increased behavioral pathology in the semantic variant.
Conclusions:
- Traumatic brain injury (TBI) is a potential risk factor for developing frontotemporal degeneration (FTD).
- TBI history can modify the clinical symptoms and disease severity within specific FTD subtypes, impacting patient outcomes.
More Related Videos
Related Concept Videos
Traumatic Brain Injury l: Introduction
2
DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
2
Dementia l: Introduction
3
Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...
3
Dementia
735
Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
The progression of dementia is generally gradual....
The progression of dementia is generally gradual....
735
Dissociative Disorders
1.0K
Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
1.0K
Alzheimer Disease l: Introduction
4
Alzheimer disease is a chronic, progressive, and irreversible neurodegenerative disorder and the most common cause of dementia in older adults. It leads to gradual neuronal loss, causing cognitive decline, behavioral changes, and loss of functional independence.Risk Factors and EtiologyThe disease is multifactorial. Age is the strongest risk factor, with prevalence doubling every 5 years after age 65. Genetic factors include mutations in genes such as APP, PSEN1, and PSEN2, which are associated...
4
Role of Cerebellum and Prefrontal Cortex in Memory
1.6K
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
1.6K

