. Author manuscript; available in PMC: 2021 Feb 1.

Published in final edited form as: Hippocampus. 2019 Aug 28;30(2):143–155. doi: 10.1002/hipo.23151

Table 3.

Correlations between possible covariates and additional variables of interest

	CAUDATE VOLUME	PUTAMEN VOLUME	ASRT	PROCESSING SPEED	WORKING MEMORY (NBACK ACC COST)
AGE	r = .18	r = .03	r = −.16	r = −.05	r = .12
AGE	p = .22	p = .83	p = .34	p = .72	p = .46
SEX (POINT-BISERIAL CORRELATIONS)	r = .12	r = −.14	r = −.02	r = −.31	r = −.18
SEX (POINT-BISERIAL CORRELATIONS)	p = .44	p = .36	p = .88	p = .04^*	p = .28
YEARS EDUCATION	r = .08	r = .06	r = .30	r = .15	r = −.11
YEARS EDUCATION	p = .57	p = .71	p = .08	p = .33	p = .50

Statistical significance at p<.05