An analogue of extraversion as a determinant of individual differences in behaviour in the rat.
D000704:Analysis of Variance; D000818:Animals; D004644:Emotions; D005120:Extraversion, Psychological; D005260:Female; D006801:Humans; D007439:Introversion, Psychological; D008297:Male; D009497:Neurotic Disorders; D051381:Rats; D012737:Sex Factors; D013045:Species Specificity