The commonly used granger causality (GC) and the metabolic effective connection (MEC) methods, had been compared the efficacy in identifying the directional pathways of dopamine system on the base of simultaneous PET/MR data. GC and MEC both identified different directed pathways of dopamine system. GC identified more long pathways from cortex to nucleus than MEC, while MEC did better job in identifying subtentorial pathways. The unidirectional frontostriatal pathways identified by MEC was more inline with existing researches than GC, the latter reported bidirectional interaction pathways there. MEC was recommended in region-wise research when PET/MR is available.
How to access this content:
For one year after publication, abstracts and videos are only open to registrants of this annual meeting. Registrants should use their existing login information. Non-registrant access can be purchased via the ISMRM E-Library.
After one year, current ISMRM & ISMRT members get free access to both the abstracts and videos. Non-members and non-registrants must purchase access via the ISMRM E-Library.
After two years, the meeting proceedings (abstracts) are opened to the public and require no login information. Videos remain behind password for access by members, registrants and E-Library customers.
Keywords