PCB-156 NOS ¯ Reflex cluster score (¯) Postural tone cluster score (¯) More hypokinesia (­) No effect on hyperkinesia Less opisthotonus (¯) No effect on NOS   Reflex cluster score (¯) Postural tone cluster score (­) Much more hypokinesia ­ No effect on hyperkinesia Much less opisthotonus ¯¯ PCB-180 NOS ¯ Reflex cluster score ¯ Postural tone cluster score ¯ More hypokinesia (­) No effect on hyperkinesia Less opisthotonus ¯ NOS (¯) Reflex cluster score (­) Postural tone cluster score (­) Much more hypokinesia ­­ No effect on hyperkinesia Much less opisthotonus ¯¯ DDE NOS ¯¯ Reflex cluster score (¯) Postural tone cluster score (¯) More hypokinesia (­) No effect on hyperkinesia Less opisthotonus (¯) NOS (¯) Reflex cluster score (¯) Postural tone cluster score (­) Much more hypokinesia ­ No effect on hyperkinesia Much less opisthotonus ¯¯ DDT NOS ¯¯ Reflex cluster score (¯) Postural tone cluster score (¯) More hypokinesia (­) More hyperkinesia (­) No effect on opisthotonus NOS (¯) Reflex cluster score: no effect Postural tone cluster score (­) Much more hypokinesia ­ No effect on hyperkinesia Much less opisthotonus ¯¯ Tans-nonachlor NOS ¯ Reflex cluster score (¯) Postural tone cluster score (¯) More hypokinesia ­ More hyperkinesia (­) Less opisthotonus (¯) No effect on NOS Reflex cluster score (¯) Postural tone cluster score (­) Much more hypokinesia ­­ More hyperkinesia (­) Much less opisthotonus ¯¯ ­­/••  : Significance of  t- resp. p-value <0.050 ­/•     : Significance of  t- resp. p-value 0.050 – 0.250   (­)/(•)  : Significance of  t- resp. p-value 0.251 – 0.750 — : Significance of  t- resp. p-value > 0.750 0 : No effect