Chart 1.

P300 assessment method characteristics in elderly with Alzheimer's utilized in the reviews studies.

Paper	No	Leads	Stimulus	Probability	Sti. duration	Sti. Interval.	Sti. total	Task	Instrument	dB
Caravaglios et al., 2008	1	Fz, Cz and Pz	Pattern =1000 Hz Target =2000 Hz	Pattern: 80%Target: 20%	60 ms	3.5 to 5.5 s	1024	Press button with the dominant hand	Ear phones	75
Mahony et al., 1996	2	Fz, Cz and Pz	Pattern =1000 Hz Target =2000Hz	Pattern: 80%Target: 15%	50 ms	—	—	Raise right hand index finger	Ear phones	60
Lai et al., 2010	3	Fz, Cz and Pz	Pattern =1000 Hz Target =2000Hz	Pattern: 84.62%Target: 15.38%	50 ms	1 to 2 s	325	Press button with right index finger	Ear phones	80
Yamaguchi et al., 2000	4	Cz and Pz	Pattern =1000 Hz Target =2000 HzEnvironmental sounds	Pattern: 65%Target: 20%background sounds: 15%	Pattern e Target: 100 msbackground sounds: 200 ms	1 to 1.3 s	400	Press button	Ear phones	60*
Golob & Star, 2000	5	Fz Cz Pz C3 C4 T3 T4	Pattern = 1000 Hz Target = 2000 Hz	Pattern: 80%Target: 20%	100 ms	—	300	Press button with dominant hand	Speaker at 0.75 meters	70
Bennys et al., 2007	6	Fz, Cz and Pz	Pattern = 1000 Hz Target = 2000 Hz	Pattern: 80%Target: 20%	100 ms	1125 ms	150	Silent counting	Ear phones	60
Juckel et al., 2008	7	32channels	Pattern = 500 Hz Target = 1000 Hz	Pattern: 80%Target: 20%	40 ms	1.5 s	500	Press button	Ear phones	—
Frodl et al., 2002	8	29channels	Pattern = 500 Hz Target = 1000 Hz	Pattern: 80%Target: 20%	40 ms		500	Press button with dominant hand	Ear phones	80

^*60 dBs above each individual's threshold; ms: milliseconds; s: seconds; μV: microvolt; Hz: Hertz.