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Figure 2


Fig. 2. Unilateral applications of chemotactile stimulus resulted in linear relationship between the turn angle and stimulus locus. (A) Responses to the appetitive stimulus betaine (crosses) and to the aversive stimulus taurine (filled circles). (B) The slope of the relationship in A for appetitive stimulus increases with the stimulus concentration. Values are means ± s.e.m.; for correlation coefficients, see text.