File:Basal ganglia circuits.svg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:47, 4 January 2017 | 1,010 × 1,453 (339 KB) | 127.0.0.1 (talk) | Circuits of the <a href="https://en.wikipedia.org/wiki/basal_ganglia" class="extiw" title="en:basal ganglia">basal ganglia</a>. Picture shows 2 coronal slices that have been superimposed to include the involved basal ganglia structures. + and - signs at the point of the arrows indicate respectively whether the pathway is excitatory or inhibitory in effect. <font color="green">Green arrows</font> refer to excitatory <a href="https://en.wikipedia.org/wiki/Glutamic_acid" class="extiw" title="en:Glutamic acid">glutamatergic</a> pathways, <font color="red">red arrows</font> refer to inhibitory <a href="https://en.wikipedia.org/wiki/gamma-Aminobutyric_acid" class="extiw" title="en:gamma-Aminobutyric acid">GABAergic</a> pathways and <font color="turquoise">turquoise arrows</font> refer to <a href="https://en.wikipedia.org/wiki/dopamine" class="extiw" title="en:dopamine">dopaminergic</a> pathways that are excitatory on the direct pathway and inhibitory on the indirect pathway. Note that dis-inhibitory pathways in effect are excitatory on the feedback to the cortex, while dis-dis-inhibitory pathways in effect are inhibitory. <i>See <a href="https://en.wikipedia.org/wiki/Basal_ganglia#Connections" class="extiw" title="en:Basal ganglia">en:Basal ganglia#Connections</a></i> |
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