🏆 Finalist — NIH Data Sharing Index (“S-Index”) Challenge

Sayamwong E. Hammack

University of Vermont

ORCID: 0000-0001-8937-3193

NeurosciencePsychologyBiochemistry, Genetics and Molecular Biology

Pilot corpus only

This score is computed over theSindex pilot corpus and does not cover the full scientific literature. Scores are relative to papers we have ingested — papers, authors, and institutions outside the pilot are not represented. Methodology.

Top 100%percentile

0Author DataRank

Indexed papers

0in pilot corpus

datarank_citation_only_1hop_v6· scope data_onlyMethodology

Papers

Driven by 15 papers. Top paper: “Circulating PACAP levels are associated with increased amygdala-default mode network resting-state connectivity in posttraumatic stress disorder”.

Circulating PACAP levels are associated with increased amygdala-default mode network resting-state connectivity in posttraumatic stress disorder

Neuropsychopharmacology(2023)10.1038/s41386-023-01593-5

N/A

0.477DataRank · unranked

23 citations

Quentin Devignes, Poornima Kumar, Víctor May, Sayamwong E. Hammack, Eylül Akman +10 more

The Role of Pituitary Adenylate Cyclase-Activating Polypeptide (PACAP) Signaling in the Hippocampal Dentate Gyrus

Frontiers in Cellular Neuroscience(2020)10.3389/fncel.2020.00111

N/A

0DataRank · unranked

43 citations

Rodney L. Parsons, Víctor May, Sayamwong E. Hammack, Gregory C. Johnson

PACAP orchestration of stress-related responses in neural circuits

Peptides(2021)10.1016/j.peptides.2021.170554

N/A

0DataRank · unranked

50 citations

Víctor May, Karen M. Braas, Sayamwong E. Hammack, Melissa N. Boucher

Exercise reduces the anxiogenic effects of meta-chlorophenylpiperazine: The role of 5-HT2C receptors in the bed nucleus of the stria terminalis

Frontiers in Synaptic Neuroscience(2023)10.3389/fnsyn.2022.1067420

N/A

0DataRank · unranked

8 citations

Melissa N. Boucher, Khalil S. Abedrabbo, Brendan Hare, Bethany Grimmig, William A. Falls +2 more

Circulating PACAP levels are associated with altered imaging measures of entorhinal cortex neurite density in posttraumatic stress disorder

medRxiv(2023)10.1101/2023.08.31.23294894

N/A

0DataRank · unranked

1 citations

Víctor May, Sayamwong E. Hammack, Eylül Akman, Sydney A. Jobson, Elizabeth A. Olson +8 more

Renewal of conditioned fear in male and female rats.

Behavioral Neuroscience(2024)10.1037/bne0000598

N/A

0DataRank · unranked

7 citations

Samantha K Moriarty, Neil E. Winterbauer, Sayamwong E. Hammack, Donna Toufexis, Travis P. Todd +1 more

Circulating PACAP levels are associated with altered imaging measures of entorhinal cortex neurite density in posttraumatic stress disorder

European Journal of Psychotraumatology(2024)10.1080/20008066.2024.2335793

N/A

0DataRank · unranked

6 citations

Víctor May, Sayamwong E. Hammack, Eylül Akman, Sydney A. Jobson, Elizabeth A. Olson +8 more

PACAP associated with precise PTSD and fear extinction response in women

Psychoneuroendocrinology(2025)10.1016/j.psyneuen.2025.107375

N/A

0DataRank · unranked

5 citations

Thomas C. Neylan, Víctor May, Sayamwong E. Hammack, Kerry J. Ressler, Sabra S. Inslicht +1 more

Bed Nucleus of the Stria Terminalis PACAP Signaling in the Dorsal Medial Habenula Mediates Depression-Related Behavioral Responses After Chronic Stress

Biological Psychiatry(2025)10.1016/j.biopsych.2025.11.013

N/A

0DataRank · unranked

3 citations

Lauren Lepeak, Mahafuza Aktar, Aimee Mahler, William C. Black, Jens Hannibal +4 more

Associations between PACAP levels and psychophysiological indicators of fear and arousal in adults with posttraumatic stress symptoms

Journal of Mood and Anxiety Disorders(2025)10.1016/j.xjmad.2025.100128

N/A

0DataRank · unranked

3 citations

Kevin J. Clancy, Eylül Akman, Michael Lewis, Víctor May, Caitlin Ravichandran +8 more

PACAP a mediator of inflammation following trauma exposure and mild traumatic brain injury: Differential effects in males and females

Brain Behavior and Immunity(2025)10.1016/j.bbi.2025.04.038

N/A

0DataRank · unranked

1 citations

Aoife O’Donovan, Thomas C. Neylan, Víctor May, Sayamwong E. Hammack, Kerry J. Ressler +3 more

Renewal of conditioned fear in a third context after either extinction or counterconditioning: Testing the effects of sex and hormones.

Behavioral Neuroscience(2025)10.1037/bne0000631

N/A

0DataRank · unranked

1 citations

Hannah L Schoenberg, Emily A. Rocco, Neil E. Winterbauer, Sayamwong E. Hammack, Donna Toufexis +2 more

Connectometry reveals differing associations of cortisol and PACAP with dorsal cingulum microstructure in posttraumatic stress

medRxiv(2025)10.1101/2025.06.05.25329085

N/A

0DataRank · unranked

0 citations

Sydney A. Jobson, Caitlin Ravichandran, Quentin Devignes, Eylül Akman, Jennifer Urbano Blackford +7 more

Pituitary adenylate cyclase-activating polypeptide-induced PAC1 receptor internalization and recruitment of MEK/ERK signaling enhance excitability of dentate gyrus granule cells

American Journal of Physiology-Cell Physiology(2020)10.1152/ajpcell.00065.2020

N/A

0DataRank · unranked

19 citations

Rodney L. Parsons, Víctor May, Sayamwong E. Hammack, Gregory C. Johnson

Chemogenetic modulation of PAC1-expressing neurons in the bed nucleus of the stria terminalis (BNST) alters anxiety-related behaviors in male mice.

Behavioral Neuroscience(2025)10.1037/bne0000632

N/A

0DataRank · unranked

0 citations

Ava Cardarelli, Víctor May, Sayamwong E. Hammack, Mahafuza Aktar