To provide methods for improving communication behavior or sensorimotor gating performance in a subject having autism spectrum disorder (ASD) symptoms and/or schizophrenia symptoms.SOLUTION: The methods include administering an effective amount including one or more Enterococcus bacteria (e.g., E. faecalis, E. faecium, E. hirae, E. avium, E. durans, E. gallinarum, or E. casseliflavus). Alternatively, the methods include administering effective amounts of the Enterococcus bacteria and Bacteroides bacteria (e.g., B. fragilis, B. thetaiotaomicron, and/or B. vulgatus).SELECTED DRAWING: None
BACTERIA-CONTAINING COMPOSITIONS FOR IMPROVING BEHAVIOR IN NEURODEVELOPMENTAL DISORDERS, AND METHODS FOR IMPROVING BEHAVIOR IN NEURODEVELOPMENTAL DISORDERS INCLUDING USING BACTERIA