Table 1b.

Demographic Information for all unimpaired control participants in experiments 1, 2, and 3^a

Control	Testing
	Location	Gender	Age	Education
Experiment one
BJ	Boston	F	57	14 years
CR	Boston	F	47	H.S.
QC	Boston	F	71	B.A.
SM	Boston	F	74	H.S.
Experiment two
BR	Boston	M	75	H.S.
CF	Boston	F	73	HS
CP	Boston	F	71	H.S.
JR	Boston	F	75	H.S.
SF	Boston	F	66	14 years
SP	Boston	M	73	HS
Experiment three
AH	San Diego	F	73	H.S.
BD	San Diego	M	74	H.S.
TA	San Diego	F	68	H.S.
PM	San Diego	F	47	H.S.
FN	San Diego	M	76	M.A.
JT	San Diego	F	70	H.S.
QT	San Diego	F	71	B.A.
JT	San Diego	F	66	M.A.
ST	San Diego	M	48	B.S.
WN	San Diego	F	69	B.A.

^aSome control participants participated in more than one experiment.