Table 1.

Demographic, medical and cognitive data of controls and patients with ALS

	Controls (cognition)	Controls (imaging)	ALS patients	p
Main features of the participants
Age (years)	61.81	59	61.83	0.83 (cognition)/0.91 (imaging)
Sex (F/M)	16/21	16/21	16/21
Years of education	11.11	11.43	9.92	0.070 (cognition)/0.099 (imaging)
Mattis (total)	139.95	141	136.47	0.005 (cognition)/<0.001 (imaging)
ALSFRS-R score	/	/	37.31
Cognitive profile
TMT (B–A)	15.94		62.97	<0.001
Letter verbal fluency score	22.24		15.03	<0.001
Letter verbal fluency index	4.71		7.68	0.017
Episodic memory	12.14		7.08	<0.001
Cognitive theory of mind	13.22		11.36	0.009
Affective theory of mind	12.44		11.03	0.062