Spontaneously hypertensive rats (SHR) as a putative animal model of childhood hyperkinesis: SHR behavior compared to four other rat strains.
Abstract
Childhood hyperkinesis or attention-deficit hyperactivity disorder (ADHD) is a behavior disorder of which the main symptoms are attention problems and hyperactivity. The main objective of the present study was to investigate whether the spontaneously hypertensive rat (SHR) strain is a useful animal model of ADHD. Five different rat strains were tested: SHR, Wistar-Kyoto (WKY), Wistar, Sprague-Dawley (SPRD), and PVG (hooded) rats. The protocol consisted of three different test procedures: 1) A 7.5-min free-exploration open-field test (home cage accessible), where the SHR was less active than Wistar and SPRD but more active than WKY; SHR showed longer latencies to leave the home cage than both Wistar and SPRD rats, spending less time in the field, ambulating and rearing less than Wistar and SPRD but more than WKY. Within session, the SHR tended to be more active at the end of the session than at the start, while the opposite tended to be the case in the other groups. 2) A 7.5-min forced exploration open-field test (home cage not accessible), where the results showed that the SHR is less active than both the Wistar and Sprague-Dawley strains, but more active than PVG and WKY. 3) A two-component multiple schedule of reinforcement with a fixed interval 2 min signalled by houselight on and a 5-min extinction signalled by houselight off. Lever pressing by SHR was markedly different from that of the other four strains, which were quite Except early in the interval, SHR pressed the le…
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SHR is the most widely accepted rodent model of ADHD.
“The spontaneously hypertensive rat strain (SHR), a rat model bred from progenitor Wistar–Kyoto rats (WKY; Okamoto and Aoki, 1963), is the most widely accepted rodent model of ADHD (Sagvolden et al., 1993; Sagvolden, 2000; Davids et al., 2003).”
From The Effects of Methylphenidate on Goal-directed Behavior in a Rat Model of ADHD (2015) · cites this paper as Sagvolden et al., 1993
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- Authors
- Sagvolden, T., Pettersen, M. B., & Larsen, M. C.
- Affiliations
- University of Oslo (NO)
- Corresponding author
- Sagvolden, Terje
- Venue
- Physiology & Behavior
- Publisher
- Elsevier BV
- Published
- 1993-12
- Volume
- 54
- Issue
- 6
- Pages
- 1047-1055
- ISSN
- 0031-9384 (ISSN-L)
- OpenAlex
- W2082064816
- Cited by
- 152
- References
- 0
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 4 · 2023: 7 · 2022: 1 · 2021: 3 · 2020: 1 · 2018: 3 · 2017: 3 · 2016: 3 · 2015: 4 · 2014: 5 · 2013: 2 · 2012: 7
- FWCI
- 1.27
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physiology & Behavior (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
- Social Sciences › Psychology › Developmental and Educational Psychology › Behavioral and Psychological Studies
- Keywords
- spontaneously hypertensive rats, attention deficit hyperactivity disorder, animal model of ADHD, hyperactivity, open field exploration, operant discrimination, extinction, rat strain differences, Wistar-Kyoto rats, Sprague-Dawley rats
- MeSH terms
- Animals, Attention, Attention Deficit Disorder with Hyperactivity, Blood Pressure, Conditioning, Operant, Disease Models, Animal, Exploratory Behavior, Extinction, Psychological, Male, Models, Genetic, Motor Activity, Psychophysiology, Rats, Inbred SHR, Rats, Inbred Strains, Rats, Inbred WKY, Reinforcement Schedule, Species Specificity, Rats
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