. 2016 Feb 15;79(4):320–328. doi: 10.1016/j.biopsych.2015.05.015

Table 1.

Changes in k_f and T_2f Within Basal Ganglia ROIs Measured 4 Hours After IFN-α

Side	Region	Change in k_f (s⁻¹)	p Value	Change in T_2f (ms)	p Value
Left	Striatum	.071	.003^a	−1.29	.009^a
	Putamen^b	.043	.012^a	−1.20	.012^a
	Caudate^b	.170	.032^a	−1.73	.021^a
	Insula	.053	.003^a	−.76	.045^a
Right	Striatum	.057	.027^a	−.74	.266
	Putamen^b	.025	.250	−.83	.187
	Caudate^b	.167	.024^a	−.46	.642
	Insula	.011	.592	−.40	.315

IFN-α, interferon-alpha; k_f, forward exchange rate constant; ROI, region of interest; T_2f, T₂ of free water component.

Statistically significant results.

Subregions that make up the striatum.