Abstract:
:The functional organization of the hippocampus is distributed as a gradient along its longitudinal axis that explains its differential interaction with diverse brain systems. We show that the location of human tissue samples extracted along the longitudinal axis of the adult human hippocampus can be predicted within 2mm using the expression pattern of less than 100 genes. Futhermore, this model generalizes to an external set of tissue samples from prenatal human hippocampi. We examine variation in this specific gene expression pattern across the whole brain, finding a distinct anterioventral-posteriodorsal gradient. We find frontal and anterior temporal regions involved in social and motivational behaviors, and more functionally connected to the anterior hippocampus, to be clearly differentiated from posterior parieto-occipital regions involved in visuospatial cognition and more functionally connected to the posterior hippocampus. These findings place the human hippocampus at the interface of two major brain systems defined by a single molecular gradient.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Vogel JW,La Joie R,Grothe MJ,Diaz-Papkovich A,Doyle A,Vachon-Presseau E,Lepage C,Vos de Wael R,Thomas RA,Iturria-Medina Y,Bernhardt B,Rabinovici GD,Evans ACdoi
10.1038/s41467-020-14518-3subject
Has Abstractpub_date
2020-02-19 00:00:00pages
960issue
1issn
2041-1723pii
10.1038/s41467-020-14518-3journal_volume
11pub_type
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