Document Detail

Respiratory patterns reflect different levels of aggressiveness and emotionality in Wild-type Groningen rats.
MedLine Citation:
PMID:  25016179     Owner:  NLM     Status:  Publisher    
Respiratory patterns represent a promising physiological index for assessing emotional states in preclinical studies. Since disturbed emotional regulation may lead to forms of excessive aggressiveness, in this study we investigated the hypothesis that rats that differ largely in their level of aggressive behavior display matching alterations in respiration. Respiration was recorded in male high-aggressive (HA, n=8) and non-aggressive (NA, n=8) Wild-type Groningen rats using whole-body plethysmography. Subsequently, anxiety-related behaviors were evaluated in the elevated plus maze and social avoidance-approach tests. During respiratory testing, HA rats showed elevated basal respiratory rate, reduced sniffing, exaggerated tachypnoeic response to an acoustic stimulus and a larger incidence of sighs. In addition, HA rats spent less time in the open arms of the plus maze and displayed higher levels of social avoidance behavior compared to NA rats. These findings indicate that HA rats are characterized by alterations in respiratory functioning and behavior that are overall indicative of an anxiety-like phenotype.
Luca Carnevali; Eugene Nalivaiko; Andrea Sgoifo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-7-9
Journal Detail:
Title:  Respiratory physiology & neurobiology     Volume:  -     ISSN:  1878-1519     ISO Abbreviation:  Respir Physiol Neurobiol     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-7-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101140022     Medline TA:  Respir Physiol Neurobiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier B.V. All rights reserved.
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