(A) Forced light/dark test in 5 dpf wild-type and disc1 loss-function mutant larvae. Sample sizes for each group: control disc1 +/+: n = 30, JWH-018 disc1 +/+: n = 34, control disc1 +/–: n = 33, JWH-018 disc1 +/–: n = 27, control disc1 –/–: n = 107, JWH-018 disc1 –/–: n = 92. Each dot represents mean distance travelled per minute. Error bars represent ± SEM. (B,C) One-second resolution plots of the transitions from dark to light during the forced light/dark test. Each dot represents mean distance travelled per second. (D) Response and habituation to startle stimuli test in 6 dpf control and JWH-018-treated wild-type and disc1 mutant larvae. Sample sizes: control disc1 +/+: n = 15, JWH-018 disc1 +/+: n = 13, control disc1 +/–: n = 47, JWH-018 disc1 +/–: n = 47, control disc1 –/–: n = 22, JWH-018 disc1 –/–: n = 22.
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