Pennington Biomedical resumed normal operations on Wednesday, August 17. Employees: We understand that many of you are still dealing with difficult situations, so please continue to keep your supervisor informed of your work status.
For updates, employees should call 1-866-412-7272 or visit For a list of storm related information and resources visit:
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David McDougal, PhD

Assistant Professor-Research

Neurobiology of Metabolic Dysfunction
(225) 763-0278
(225) 763-0260
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B.S. 1999, Louisiana State University, Baton Rouge LA, Biological Sciences

B.A. 2001, Louisiana State University, Baton Rouge LA, Psychology

Ph.D. 2008, University of Alabama, Birmingham, AL, Vision Sciences



Peer Reviewed Journal Articles

1. Gamlin PD, McDougal DH, Pokorny J, Smith VC, Yau KW and Dacey DM. (2007) Human and macaque pupil responses driven by melanopsin-containing retinal ganglion cells. Vision Res 47, 946-54. PMCID: PMC1945238

2. McDougal DH, and Gamlin PD. (2010) The influence of intrinsically-photosensitive retinal ganglion cells on the spectral sensitivity and response dynamics of the human pupillary light reflex. Vision Res. 50(1):72-87. PMCID: PMC2795133

3. Sipe GO, Dearworth J. Jr, Selvarajah BP, Blaum JF, Littlefield TE, Fink DA, Casey CN, and McDougal DH, Spectral sensitivity of the photointrinsic iris in the red-eared slider turtle (trachemys scripta elegans). Vision Research, 2011. 51(1): p. 120-130. PMID: 20951155

4. Rogers RC, McDougal DH, and Hermann GE. (2011) Leptin amplifies the action of thyrotropin-releasing hormone in the solitary nucleus: An in vitro calcium imaging study. Brain Res, 1385: p. 47-55. PMID: 21334313

5. McDougal DH, Hermann GE, and Rogers RC. (2011) “Vagal afferent stimulation activates astrocytes in the nucleus of the solitary tract via AMPA receptors: evidence of an atypical neural–glial interaction in the brainstem." The Journal of Neuroscience, 31(39): 14037-14045. PMID: 21957265

6. McDougal DH, Viard E., et al. (2013). "Astrocytes in the hindbrain detect glucoprivation and regulate gastric motility." Autonomic Neuroscience 175(1–2): 61-69. PMID: 23313342

7. McDougal, DH, Hermann, GE and Rogers, RC (2013). "Astrocytes in the nucleus of the solitary tract are activated by low glucose or glucoprivation: evidence for glial involvement in glucose homeostasis." Frontiers in Neuroscience 7: 249. PMCID: 3868892

8. Barnes, MJ and McDougal, DH (2014). "Leptin into the rostral ventral lateral medulla (RVLM) augments renal sympathetic nerve activity and blood pressure." Front Neurosci 8: 232. PMCID: 4125949

9. McDougal, DH and Gamlin, PD (2015). "Autonomic control of the eye." Comprehensive Physiology 5(1): 439-473.
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