Author

John Chukwuma Oyem

UiT The Arctic University of NorwayORCID 0000-0002-8669-9558Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Neuroscience· 2 Animal Behavior & Cognition· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 3 Organism:rat· 3 Assay:behavioral assay· 1 Research Focus:cell type annotation· 1

Frequent Co-Authors

Eelke Mirthe Simone SnoereniD· 3 shared Roy HeijkoopiD· 3 shared Patty T. HuijgensiD· 2 shared James E. McCutcheoniD· 1 shared Jaume F. LalanzaiD· 1 shared Julissa Mendoza· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

6 top collaborators · 13 mutual co-author links

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3 shared papersNeuroscience

Eelke Mirthe Simone SnoerenORCID

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3 papers

Recent·Most cited

Behavioral dynamics of different stages of sexual motivation in male and female rats

John Chukwuma Oyem, Patty T. Huijgens, Julissa Mendoza, Roy Heijkoop, Eelke Mirthe Simone Snoeren

The paper distinguishes two components of sexual motivation in rats and shows that males and females differ in their incentive motivation and motivation to sustain copulation.

Journal of Neuroscience Methods · Apr 17, 2026Peer-reviewedNeuroscience

Behavioral and neural alterations of the ventral tegmental area by exposure to junk food in rats

Jaume F. Lalanza, John Chukwuma Oyem, Patty T. Huijgens, James E. McCutcheon, Roy Heijkoop, Eelke Mirthe Simone Snoeren

This study shows that prolonged junk food exposure in rats reduces VTA neural activity and responsiveness to natural rewards like food and sex.

Appetite · May 23, 2025Peer-reviewedNeuroscience

The temporal copulatory patterns of female rat sexual behavior

John Chukwuma Oyem, Roy Heijkoop, Eelke Mirthe Simone Snoeren

This study examines temporal copulatory patterns in female rats, finding that receptivity influences sexual bout frequency and time-outs, while mating conditions affect less-receptive females.

Behavioural Processes · Jan 17, 2025Peer-reviewedAnimal Behavior & Cognition