NLGN1 and Anxiety: Heterozygous Nlgn1 P89L mice:Affected sociability and social dominance.Impaired spatial memoryHomozygous Nlgn1 P89L developed a milder ASD-like phenotype:Less impairment in sociability and spatial memory.Either homozygous or heterozygous Nlgn1 P89L mice demonstrated normal odor discrimination, object recognition, general locomotor activity, stereotypic repetitive behavior anxiety-like behavior, and altered stress-induced USVs.Decreased levels of NLGN1 protein in the brain.