sibling rivalry

competition among siblings for the attention, approval, or affection of one or both parents or for other recognition or rewards, such as in sports or academics. See also parent–offspring conflict.

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Psychology term of the day

February 22nd 2025

excitotoxic lesion

a lesion caused by paroxysmal overactivity of neurons, which may be associated with seizures or occur after stroke. This is most commonly caused by overstimulation of neurons by excitatory amino acids (see excitotoxicity).