Contaminant Effects in male Effects in female Mercury NOS (­) Reflex cluster score (­) Tonus cluster score : 0 Much less hypokinesia ¯¯ More hyperkinesia (­) Less opisthotonus (¯) NOS ¯ Relex cluster score (¯) Postural tone cluster score ¯¯ No effect on hypokinesia Less hyperkinesia ¯ Much less opisthotonus ¯ HCB NOS ¯¯ Reflex cluster score ¯ Postural tone cluster score (¯) More hypokinesia (­) No effect on hyperkinesia Less opisthotonus (¯) No effect on NOS Reflex cluster score: 0 Tonus cluster score: 0 More hypokinesia (­) Hyperkinesia (­) Less opisthotonus ¯ b-HCH NOS ¯¯ Reflex cluster score ¯¯ Postural tone cluster score (¯) More hypokinesia (­) More hyperkinesia (­) Less opisthotonus (¯) NOS ­­ Reflex cluster score (¯) Postural tone cluster score ­­ Less hypokinesia ¯ Less hyperkinesia (¯) Less opisthotonus (¯) Musk xylene NOS (¯) Reflex cluster score: no effect Postural tone cluster score (¯) More hypokinesia (­) Less hyperkinesia (¯) Less opisthotonus (¯) NOS (¯) Reflex cluster score (¯) No effect on tone score No effect on hypokinesia More hyperkinesia (­) More opisthotonus (­) PCB-118 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 ¯¯ PCB-153 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 ¯¯ PCB-105 NOS ¯¯ Reflex cluster score (¯) Postural tone cluster score (¯) More hypokinesia (­) Less hyperkinesia (¯) Less opisthotonus (¯) NOS (¯) Reflex cluster score (¯) Postural tone cluster score (­) Much more hypokinesia ­ No effect on hyperkinesia Less opisthotonus (¯) PCB-138 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 ­­ No effect on hyperkinesia Much less opisthotonus ¯¯