Paul M Gignac
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Explore the profile of Paul M Gignac including associated specialties, affiliations and a list of published articles.
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586
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Recent Articles
1.
Straight P, Gignac P, Kuenzel W
Sci Rep
. 2024 Apr;
14(1):8447.
PMID: 38600121
Amniotes feature two principal visual processing systems: the tectofugal and thalamofugal pathways. In most mammals, the thalamofugal pathway predominates, routing retinal afferents through the dorsolateral geniculate complex to the visual...
2.
Balanoff A, Ferrer E, Saleh L, Gignac P, Gold M, Marugan-Lobon J, et al.
Proc Biol Sci
. 2024 Jan;
291(2015):20232172.
PMID: 38290541
The evolution of flight is a rare event in vertebrate history, and one that demands functional integration across multiple anatomical/physiological systems. The neuroanatomical basis for such integration and the role...
3.
Straight P, Gignac P, Kuenzel W
J Comp Neurol
. 2023 Dec;
532(2):e25558.
PMID: 38047431
Image processing in amniotes is usually accomplished by the thalamofugal and/or tectofugal visual systems. In laterally eyed birds, the tectofugal system dominates with functions such as color and motion processing,...
4.
Gray J, Gignac P, Stanley E
Anat Rec (Hoboken)
. 2023 Jul;
307(3):535-548.
PMID: 37409685
Diffusible iodine-based contrast-enhanced Computed Tomography (diceCT) is now a widely used technique for imaging metazoan soft anatomy. Turtles present a particular challenge for anatomists; gross dissection is inherently destructive and...
5.
Plateau O, Green T, Gignac P, Foth C
Anat Rec (Hoboken)
. 2023 Jun;
307(1):5-48.
PMID: 37338258
To date, several studies describe post-hatching ontogenetic variation in birds; however, none of these studies document and compare ontogenetic variation of the entire skull in multiple avian species. Therefore, we...
6.
Watanabe A, Marshall S, Gignac P
J Anat
. 2023 May;
243(3):421-430.
PMID: 37165612
The evolutionary history of vertebrates is replete with emergence of novel brain morphologies, including the origin of the human brain. Existing model organisms and toolkits for investigating drivers of neuroanatomical...
7.
Feldman K, OKeefe Y, Gignac P, OBrien H
Neuroimage Clin
. 2022 Dec;
36:103272.
PMID: 36451373
Ischemic strokes affecting the medial medulla are exceedingly rare. The anatomical basis for the relative infrequency of this stroke syndrome has been largely uninvestigated due to historically coarse MRI and...
8.
Green T, Kay D, Gignac P
J Anat
. 2022 Aug;
241(4):951-965.
PMID: 35933695
The cranial casques of modern cassowaries (Casuarius) have long intrigued researchers; however, in-depth studies regarding their morphological variation are scarce. Through visual inspection, it has been recognized that casque variability...
9.
Steppan S, Meyer A, Barrow L, Alhajeri B, Al-Zaidan A, Gignac P, et al.
Mol Phylogenet Evol
. 2022 Jan;
169:107416.
PMID: 35032645
The initial vertebrate conquest of land by stegocephalians (Sarcopterygia) allowed access to new resources and exploitation of untapped niches precipitating a major phylogenetic diversification. However, a paucity of fossils has...
10.
Gignac P, Smaers J, OBrien H
Anat Rec (Hoboken)
. 2021 Sep;
305(10):2823-2837.
PMID: 34555273
Effective interpretation of historical selective regimes requires comprehensive in vivo performance evaluations and well-constrained ecomorphological proxies. The feeding apparatus is a frequent target of such evolutionary studies due to a...