Table 1. Clinical Features of Controls, bvFTD and CBS.

	Controls	bvFTD	CBS
N (M/F)	15 (8/7)	20 (10/10)	19 (10/9)
Age (years)* §	59.7±8.7	59.4±8.3	69.2±6.9
Education (years)	16.6±2.7	15.7±3.3	14.4±2.9
Handedness	15R	15R/4L/1RL	16R/3L
Duration of illness (years)	—	5.2±3.0	4.4±2.5
DRS-2 Total score (0–144)	—	102±7	111±7
DRS-2 Memory subscale (0–25)	—	16.6±5.7	20.1±5.1
DRS-2 Construction subscale (0–6)*	—	4.5±0.5	2.2±0.5
NPI Total (0–144)*	—	37.3±15.2	6.2±6.7
NPI Apathy-D-AMB* (0–36)**	—	18.7±7.2	2.9±4.7
NPI Apathy (0–12)**	—	7.8±3.6	1.5±2.2
NPI Disinhibition (0–12)**	—	6.2±4.2	0.8±2.1
NPI Aberrant Motor Behavior (0–12)**	—	4.6±3.9	0.6±2.0

*Apathy-D-AMB: apathy-disinhibition-aberrant motor behavior.

**CBS ≠ FTD (Mann-Whitney U Test, p<0.05, two-tailed).

^§CBS ≠ Controls (Mann-Whitney U Test, p<0.05, two-tailed).