Experiments · E173c
Partly. The score was about twice as high with the site (32.97 against 14.64), but the runs used different code, so it is a lead.
In the log: result (2026-09-19 20:23) — the serotonin half of N6, legacy pair
book/assets/diagrams/exp/E173c.svg).E173c result (2026-09-19 20:23) — the serotonin half of N6, legacy pair. fb,oa (no 5-HT site), --confirm: AUC_Q 14.64 ± 6.83 (s.e.), 28 ± 7 confirmed finds, best −136, ρ(score, reward) +0.90. E173 (5-HT site taught by the confirm verdict, 2026-09-18 17:06): 32.97 ± 3.98, 61.5 ± 9.5, −135. Twice the rate with the serotonin site — but E173 ran on the previous day's code and both ran under the coupled reward, exactly the E171b/E178 confound, so this is a lead, not a verdict. A same-code, pure-reward pair (5-HT taught vs absent, both --confirm) goes on the queue after E205 as E206, low priority: the confirm rung's cost makes it a half-day. N6's FB half is closed (site inert at steps 4; E199 void); its serotonin half is open with the sign favouring the site.
E173c result (2026-09-19 20:23) — the serotonin half of N6, legacy pair. fb,oa (no 5-HT site), --confirm: AUC_Q 14.64 ± 6.83 (s.e.), 28 ± 7 confirmed finds, best −136, ρ(score, reward) +0.90. E173 (5-HT site taught by the confirm verdict, 2026-09-18 17:06): 32.97 ± 3.98, 61.5 ± 9.5, −135. Twice the rate with the serotonin site — but E173 ran on the previous day's code and both ran under the coupled reward, exactly the E171b/E178 confound, so this is a lead, not a verdict. A same-code, pure-reward pair (5-HT taught vs absent, both --confirm) goes on the queue after E205 as E206, low priority: the confirm rung's cost makes it a half-day. N6's FB half is closed (site inert at steps 4; E199 void); its serotonin half is open with the sign favouring the site.
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