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Nogo-A-deficient Transgenic Rats Show Deficits in Higher Cognitive Functions, Decreased Anxiety, and Altered Circadian Activity Patterns

Overview of attention for article published in Frontiers in Behavioral Neuroscience, March 2014
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Title
Nogo-A-deficient Transgenic Rats Show Deficits in Higher Cognitive Functions, Decreased Anxiety, and Altered Circadian Activity Patterns
Published in
Frontiers in Behavioral Neuroscience, March 2014
DOI 10.3389/fnbeh.2014.00090
Pubmed ID
Authors

Tomas Petrasek, Iva Prokopova, Martin Sladek, Kamila Weissova, Iveta Vojtechova, Stepan Bahnik, Anna Zemanova, Kai Schönig, Stefan Berger, Björn Tews, Dusan Bartsch, Martin E. Schwab, Alena Sumova, Ales Stuchlik

Abstract

Decreased levels of Nogo-A-dependent signaling have been shown to affect behavior and cognitive functions. In Nogo-A knockout and knockdown laboratory rodents, behavioral alterations were observed, possibly corresponding with human neuropsychiatric diseases of neurodevelopmental origin, particularly schizophrenia. This study offers further insight into behavioral manifestations of Nogo-A knockdown in laboratory rats, focusing on spatial and non-spatial cognition, anxiety levels, circadian rhythmicity, and activity patterns. Demonstrated is an impairment of cognitive functions and behavioral flexibility in a spatial active avoidance task, while non-spatial memory in a step-through avoidance task was spared. No signs of anhedonia, typical for schizophrenic patients, were observed in the animals. Some measures indicated lower anxiety levels in the Nogo-A-deficient group. Circadian rhythmicity in locomotor activity was preserved in the Nogo-A knockout rats and their circadian period (tau) did not differ from controls. However, daily activity patterns were slightly altered in the knockdown animals. We conclude that a reduction of Nogo-A levels induces changes in CNS development, manifested as subtle alterations in cognitive functions, emotionality, and activity patterns.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 64 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Germany 1 2%
Unknown 63 98%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 16 25%
Researcher 10 16%
Student > Master 7 11%
Student > Doctoral Student 6 9%
Student > Bachelor 4 6%
Other 9 14%
Unknown 12 19%
Readers by discipline Count As %
Agricultural and Biological Sciences 17 27%
Neuroscience 11 17%
Psychology 8 13%
Medicine and Dentistry 4 6%
Biochemistry, Genetics and Molecular Biology 1 2%
Other 4 6%
Unknown 19 30%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 25 April 2014.
All research outputs
#14,192,580
of 22,749,166 outputs
Outputs from Frontiers in Behavioral Neuroscience
#1,885
of 3,157 outputs
Outputs of similar age
#129,342
of 242,903 outputs
Outputs of similar age from Frontiers in Behavioral Neuroscience
#38
of 63 outputs
Altmetric has tracked 22,749,166 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,157 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 11.2. This one is in the 36th percentile – i.e., 36% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 242,903 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 63 others from the same source and published within six weeks on either side of this one. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.