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74 results for “brain morphology”
The superior frontal sulcus in the human brain – Morphology and probability maps
<p><span>The superior frontal sulcus (SFS) is a major sulcus on the dorsolateral frontal cortex that defines the lateral limit of the superior frontal gyrus. Caudally, it originates </span>near the superior precentral sulcus (SPRS) and rostrally, it terminates near the frontal pole. T<span>he advent of structural neuroimaging has revealed that this primary sulcus shows significant variability below the surface which is not captured by the classic sulcal maps. The present investigation examined the morphological variability of the SFS in 50 individual magnetic resonance imaging (MRI) scans of the human brain that were registered to the Montreal Neurological Institute (MNI) standard stereotaxic space. Two primary morphological patterns were identified: i) the SFS was classified as either a continuous sulcus or ii) the SFS was a complex of sulcal segments. Further, the SFS showed a high probability of merging with neighboring sulci on the superior and middle frontal gyri, and these patterns were documented. In addition, the morphological variability and spatial extent of the SFS were quantified using volumetric and surface spatial probability maps. The results from the current investigation provide an anatomical framework for understanding the sulcal morphology of the SFS, which is critical for the interpretation of structural and functional neuroimaging data in the dorsolateral frontal region, as well as for improving the accuracy of neurosurgical interventions. </span></p>
Data from: Convergent avialan brain morphology in Sinovenator (Troodontidae, Theropoda)
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The superior frontal sulcus in the human brain – Morphology and probability maps
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The evolution of plasticity in brain morphology following colonization of an ecologically divergent habitat in Trinidadian guppies
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Natural and anthropogenic sources of habitat variation influence exploration behaviour, stress response, and brain morphology in a coastal fish
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Figure 18 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 18. Box plots of the ratio of the width of the cerebellum to the width of the telencephalon (A) and the ratio of the width of the floccular lobe to the width of the telencephalon (B). Plots for Paraptenodytes (grey circles; Ksepka et al., 2012) and Plotopteridae (stars) are shown.
Figure 12 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 12. Endocasts of plotopterid (A, Ainoshima specimen: KMNH VP 200,009; B, Hatatsu specimen: KMNH VP 200,007; C, Touno specimen: KMNH VP 200,008). Scale bars: 10 mm. Abbreviations: cb, cerebellum; cca, cranial carotid artery; fl, floccular lobe; mcv, middle cerebral vein; ob, olfactory bulb; ol, optic lobe; os, occipital sinus; pb, pituitary
Figure 15 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 15. Principle component (PC) analysis results. The first three shape-variation PCs of water birds. Variations in brain shape for each PC score are illustrated by the brain schematics outside the graphs.
Figure 9 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 9. Virtual endocasts of procellariiform and sphenisciform birds in ventral aspect (not to scale, for comparison). Abbreviations: fl, floccular lobe; ob, olfactory bulb; ol, optic lobe; pb, pituitary body; II–XI, cranial nerves II–XI.
Figure 11 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 11. Virtual endocasts of procellariiform and sphenisciform birds in posterior aspect (not to scale, for comparison). Abbreviations: cb, cerebellum; cca, cranial carotid artery; fl, floccular lobe; se, sagittal eminence; IX–XII, cranial nerves IX–XII.
Figure 8 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 8. Virtual endocasts of ciconiiform, pelecaniform, and suliform birds in ventral aspect (not to scale, for comparison). Abbreviations: fl, floccular lobe; ob, olfactory bulb; ol, optic lobe; pb, pituitary body; II–XI, cranial nerves II–XI.
Figure 16 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 16. Plot of canonical variate 1 (CV1) and CV2 scores and the brain shape variations associated with CV1 and CV2. Models represent the nature of shape change along each canonical discrimination axis.
Figure 7 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 7. Virtual endocasts of procellariiform and sphenisciform birds in lateral aspect (not to scale, for comparison). Abbreviations: cb, cerebellum; fl, floccular lobe; mcv, middle cerebral vein; ob, olfactory bulb; pb, pituitary body; se, sagittal eminence; II–XI, cranial nerves II–XI.
Figure 6 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 6. Virtual endocasts of ciconiiform, pelecaniform, and suliform birds in lateral aspect (not to scale, for comparison). Abbreviations: cb, cerebellum; e, eminence; fl, floccular lobe; mcv, middle cerebral vein; ob, olfactory bulb; os, occipital sinus; pb, pituitary body; se, sagittal eminence; II–XI, cranial nerves II–XI.
Removal of developmentally regulated microexons has a minimal impact on larval zebrafish brain morphology and function - behavior data input files
<p>Unprocessed (tracking) larval zebrafish behavioral data from mutants with microexons removed. All genes are grouped by their beginning letter, and two runs are included for most mutants.</p>
Removal of developmentally regulated microexons has a minimal impact on larval zebrafish brain morphology and function - imaging stacks
<p>Results of brain activity mapping for zebrafish mutants with microexons removed. Both brain activity and structural data is included. These stacks are the significant signal that differs between the groups. They are compatable with the Z-Brain matlab viewer from Randlett, et al, 2015 Nature Methods.</p>
Removal of developmentally regulated microexons has a minimal impact on larval zebrafish brain morphology and function - behavior data output
<p>Graphs and quantification of larval zebrafish behavioral data from mutants with microexons removed. All genes are grouped by their beginning letter, and two runs are included for most mutants.</p>
Figure 1 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 1. Fossil skulls of plotopterid: A, Hatatsu specimen (KMNH VP 200,007); B, Touno specimen (KMNH VP 200,008); C, Ainoshima specimen (KMNH VP 200,009). Scale bar: 20 mm.
Figure 5 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 5. Virtual endocasts of procellariiform and sphenisciform birds in dorsal aspect (not to scale, for comparison). Abbreviations: cb, cerebellum; fl, floccular lobe; mcv, middle cerebral vein; ob, olfactory bulb; os, occipital sinus; se, sagittal eminence.
Figure 3 in Enigmatic affinity in the brain morphology between plotopterids and penguins, with a comprehensive comparison among water birds
Figure 3. Virtual endocasts of procellariiform and sphenisciform birds in rostral aspect (not to scale, for comparison). Abbreviations: cca, cranial carotid artery; e, eminence; ob, olfactory bulb; pb, pituitary body; se, sagittal eminence; II–V, cranial nerves II–V.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.