Wiping response of lobsters to chemicals found commonly in their food. All responses are standardized to l-glutamate, the most stimulatory chemical. Chemicals were presented at equimolar concentrations (0.0005 Molar) in artificial sea water (ASW). The 50th percentile is shown as vertical line within the horizontal gray bar. The 25th and 75th percentiles are shown as boundaries of the bars. 5th and 95th percentiles are represented as the caps on the lines. The next best stimulus, glycine, is approximately 30% of the response to l-glutamate.Many of these chemicals elicit other behavioral responses.
 

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