ArticleThe Journal of comparative neurology2017
Combining diffusion magnetic resonance tractography with stereology highlights increased cross-cortical integration in primates.
Article in The Journal of comparative neurology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Interspecific diversity in the neuronal composition of the mammalian cortex arises from heterochrony in neurogenesis.The EMBO journal · 2026Article
- Morphological and Metabolic Features of Brain Aging in Rodents, Ruminants, Carnivores, and Non-Human Primates.Animals : an open access journal from MDPI · 2024Review
- Cerebellar structural, astrocytic, and neuronal abnormalities in the SMNΔ7 mouse model of spinal muscular atrophy.Brain pathology (Zurich, Switzerland) · 2023Article
- Going beyond established model systems of Alzheimer's disease: companion animals provide novel insights into the neurobiology of aging.Communications biology · 2023Review
- Mapping Human Brain Pathways: Challenges and Opportunities in the Integration of Scales.Brain, behavior and evolution · 2023Review
- Tracing Modification to Cortical Circuits in Human and Nonhuman Primates from High-Resolution Tractography, Transcription, and Temporal Dimensions.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2022Article
- The Graph of Our Mind.Brain sciences · 2021Article
- Cutting across structural and transcriptomic scales translates time across the lifespan in humans and chimpanzees.Proceedings. Biological sciences · 2021Article
- Brain Wiring and Supragranular-Enriched Genes Linked to Protracted Human Frontal Cortex Development.Cerebral cortex (New York, N.Y. : 1991) · 2020Article
- Closing the gap from transcription to the structural connectome enhances the study of connections in the human brain.Developmental dynamics : an official publication of the American Association of Anatomists · 2020Review
- High Angular Resolution Diffusion MRI Reveals Conserved and Deviant Programs in the Paths that Guide Human Cortical Circuitry.Cerebral cortex (New York, N.Y. : 1991) · 2020Article
- Asymmetry in the Cytoarchitecture of the Area 44 Homolog of the Brain of the ChimpanzeeFrontiers in neuroanatomy · 2020Article
- Evolution of Brain Connections: Integrating Diffusion MR Tractography With Gene Expression Highlights Increased Corticocortical Projections in Primates.Cerebral cortex (New York, N.Y. : 1991) · 2019Article
- Review
- Cortical interlaminar astrocytes across the therian mammal radiation.The Journal of comparative neurology · 2019Article
- The Japan Monkey Centre Primates Brain Imaging Repository for comparative neuroscience: an archive of digital records including records for endangered species.Primates; journal of primatology · 2018Article
- Comparing Adult Hippocampal Neurogenesis Across Species: Translating Time to Predict the Tempo in Humans.Frontiers in neuroscience · 2018Article
- Coevolution in the timing of GABAergic and pyramidal neuron maturation in primates.Proceedings. Biological sciences · 2017Article
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Authors and funding
6 authors.
Funding
Abstract
The isocortex of primates is disproportionately expanded relative to many other mammals, yet little is known about what the expansion of the isocortex entails for differences in cellular composition and connectivity patterns in primates. Across the depth of the isocortex, neurons exhibit stereotypical patterns of projections. Upper-layer neurons (i.e., layers II-IV) project within and across cortical areas, whereas many lower-layer pyramidal neurons (i.e., layers V-VI) favor connections to subcortical regions. To identify evolutionary changes in connectivity patterns, we quantified upper (i.e., layers II-IV)- and lower (i.e., layers V-VI)-layer neuron numbers in primates and other mammals such as rodents and carnivores. We also used MR tractography based on high-angular resolution diffusion imaging and diffusion spectrum imaging to compare anterior-to-posterior corticocortical tracts between primates and other mammals. We found that primates possess disproportionately more upper-layer neurons as well as an expansion of anterior-to-posterior corticocortical tracts compared with other mammals. Taken together, these findings demonstrate that primates deviate from other mammals in exhibiting increased cross-cortical connectivity. J. Comp. Neurol. 525:1075-1093, 2017. © 2016 Wiley Periodicals, Inc.
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