Abstract During the postnatal period, the brain is highly sensitive to stress and inflammation, which are hazardous to normal growth and development. There is increasing evidence that inflammatory processes in the early postnatal period increase the risk of psychopathologies and cognitive impairment later in life. On the other hand, there are few studies on the ability of infectious agents to cause long‐term neuroinflammation, leading to changes in the hypothalamic–pituitary–adrenal axis functioning and an imbalance in the neurotransmitter system. In this review, we examine short‐ and long‐term effects of neonatal‐induced inflammation in rodents on glutamatergic, GABAergic and monoaminergic systems and on hypothalamic–pituitary–adrenal axis activity.
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