Table 1. Abbreviations of the white matter tracts investigated in the study.

Abbreviation	White matter tract
ac	Anterior commissure
amygfib	Amygdala fibers
cc	Corpus callosum
dcw	Deep cerebral white matter
denien	Dorsal and intermediate endopiriform nucleus fibers
dhc	Dorsal hippocampus commissure
ec	External capsule
fi	Fimbria of the hippocampus
ic	Internal capsule
inwh	Intermediate white layer
lovo	Lateral orbital cortex/ventral orbital cortex
mfb	Medial forebrain bundle
nsplh	Nigrostriatal bundle/peduncular part of the lateral hypothalamus
nv	Navicular nu basal forebrain
opt	Optic tract
optot	Olivary pretectal nu/nu of the optic tract
prlcg	Prelimbic cortex/cingulate cortex
strfibers	Striatum fibers
strmlfr	Superior thalamic radiation/medial lemniscus/fasciculus retroflexus

White matter tracts were labeled based on the Paxinos and Watson atlas.⁵⁴