TABLE 1.
International Consensus Criteria for behavioral variant frontotemporal dementia (bvFTD) in 93 patientsa
| Behavior | N | % |
|---|---|---|
| Criterion | ||
| A. Behavioral disinhibition | 55 | 59.1 |
| A.1 Socially inappropriate behavior | 42 | 45.2 |
| B. Apathy or inertia | 48 | 51.6 |
| C. Loss of sympathy or empathy | 31 | 33.3 |
| D. Perseverative, stereotyped or compulsive/ritualistic behaviors | 44 | 47.3 |
| E. Hyperorality and dietary changes | 41 | 44.1 |
| F. Neuropsychological profile (i.e., primarily dysexecutive behavior with relative sparing of visuospatial skills) | 34 | 36.6 |
| Loss of insight (into disease/behavioral changes)b | 46 | 49.5 |
a
Early (symptom presentation within the first 3 years) behavioral and cognitive symptoms are presented.
b
The core feature from the original consensus criteria was not included in the newer criteria for a specific bvFTD criterion on the International Consensus Criteria26