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| Content Provider | Springer Nature Link |
|---|---|
| Author | Nehrenberg, Derrick L. Sheikh, Atif Ghashghaei, H. Troy |
| Copyright Year | 2012 |
| Abstract | Aggression is a complex behavior that is essential for survival. Of the various forms of aggression, impulsive violent displays without prior planning or deliberation are referred to as affective aggression. Affective aggression is thought to be caused by aberrant perceptions of, and consequent responses to, threat. Understanding the neuronal networks that regulate affective aggression is pivotal to development of novel approaches to treat chronic affective aggression. Here, we provide a detailed anatomical map of neuronal activity in the forebrain of two inbred lines of mice that were selected for low (NC100) and high (NC900) affective aggression. Attack behavior was induced in male NC900 mice by exposure to an unfamiliar male in a novel environment. Forebrain maps of c-Fos+ nuclei, which are surrogates for neuronal activity during behavior, were then generated and analyzed. NC100 males rarely exhibited affective aggression in response to the same stimulus, thus their forebrain c-Fos maps were utilized to identify unique patterns of neuronal activity in NC900s. Quantitative results indicated robust differences in the distribution patterns and densities of c-Fos+ nuclei in distinct thalamic, subthalamic, and amygdaloid nuclei, together with unique patterns of neuronal activity in the nucleus accumbens and the frontal cortices. Our findings implicate these areas as foci regulating differential behavioral responses to an unfamiliar male in NC900 mice when expressing affective aggression. Based on the highly conserved patterns of connections and organization of neuronal limbic structures from mice to humans, we speculate that neuronal activities in analogous networks may be disrupted in humans prone to maladaptive affective aggression. |
| Starting Page | 1033 |
| Ending Page | 1049 |
| Page Count | 17 |
| File Format | |
| ISSN | 18632653 |
| Journal | Anatomy and Embryology |
| Volume Number | 218 |
| Issue Number | 4 |
| e-ISSN | 18632661 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2012-07-31 |
| Publisher Place | Berlin/Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Aggression Violence Neuronal circuits Neural networks Neuronal activity Amygdala Nucleus accumbens Hypothalamus Limbic thalamus Parafascicular thalamic nucleus Paraventricular thalamic nucleus Zona incerta Anxiety disorders Mouse c-Fos Neurosciences Cell Biology Neurology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neuroscience Anatomy Histology |
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