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Titolo:
The effects of acute and chronic stress on motor and sensory performance in male Lewis rats
Autore:
Metz, GAS; Schwab, ME; Welzl, H;
Indirizzi:
Univ Lethbridge, Dept Psychol & Neurosci, Lethbridge, AB T1K 3M4, Canada Univ Lethbridge Lethbridge AB Canada T1K 3M4 thbridge, AB T1K 3M4, Canada Univ Zurich, Brain Res Inst, Zurich, Switzerland Univ Zurich Zurich Switzerland ich, Brain Res Inst, Zurich, Switzerland ETH Zurich, Zurich, Switzerland ETH Zurich Zurich SwitzerlandETH Zurich, Zurich, Switzerland Univ Zurich, Inst Anat, Zurich, Switzerland Univ Zurich Zurich Switzerland v Zurich, Inst Anat, Zurich, Switzerland
Titolo Testata:
PHYSIOLOGY & BEHAVIOR
fascicolo: 1-2, volume: 72, anno: 2001,
pagine: 29 - 35
SICI:
0031-9384(200101)72:1-2<29:TEOAAC>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
AVOIDANCE-BEHAVIOR; INDUCED ANALGESIA; STARTLE REFLEX; RESPONSES; STIMULATION; INHIBITION; MECHANISMS; STRAINS; BRAIN; MODEL;
Keywords:
locomotion; testing strategy; swim stress;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: Metz, GAS Univ Lethbridge, Dept Psychol & Neurosci, 4401 Univ Dr, Lethbridge, AB T1K3M4, Canada Univ Lethbridge 4401 Univ Dr Lethbridge AB Canada T1K3M4 Canada
Citazione:
G.A.S. Metz et al., "The effects of acute and chronic stress on motor and sensory performance in male Lewis rats", PHYSL BEHAV, 72(1-2), 2001, pp. 29-35

Abstract

Any behavioral testing induces stress to some degree. A meaningful interpretation of behavioral results can be difficult if stress, caused by handling or the testing situation, modifies the experimental outcome. Especially for neurological animal models, it is important to know how stress affects motor and sensory performance. Therefore, we investigated the effects of varying degrees of stress on several motor and sensory tasks that are frequently used to assess functional recovery after lesion-induced impairments in adult rats. Acute, subchronic, and chronic stress impaired ladder walking and prolonged the duration of grasping a bar. Stress also altered walking patterns by increasing the base of support and foot rotation and reducing stride length. Furthermore, chronic stress induced hypersensitivity to painful stimuli, but did not significantly influence the latency to remove sticky papers from the hindpaws (sticky paper test). In the light-dark (L/D) test, stress reduced the latency to enter the dark compartment and enhanced the number of transitions supporting that cold swim stress modifies the animal'slevel of anxiety. These data point towards a critical influence of acute or chronic stress on motor control and sensory performance of rats, suggesting that stress might be a critical intervening variable of the outcome of behavioral tests. (C) 2001 Elsevier Science Inc. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/01/20 alle ore 14:42:49