ABN	Arched back nursing
AgRP	Agouti-related peptide
ArcN	Arcuate nucleus of the hypothalamus
ELA	Early-life adversity
CT	c-tactile fibers
CTL	Control
LB	Limited bedding
HPA axis	hypothalamic–pituitary–adrenal axis
LG	Licking and grooming
LTD	Long-term depression
MSNs	Medium spiny neurons
NAc	Nucleus accumbens
P	Postnatal day
PVN	Paraventricular nucleus of the hypothalamus
RCTs	Randomized controlled trials
SSP	Strange Situation Procedure
USVs	Ultrasonic vocalizations
VTA	Ventral tegmental area
ZI	Zona incerta