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How anger changes the BRAIN: Aggression causes new nerve cells to grow which can trigger even more rage in the future
The more time that the mice preferred to spend in the dark, closed space, the more their behaviour could be described as 'avoiding risk'.
If the mice were deprived of fighting for a period of time before the test, they became even more aggressive, with fights beginning sooner and lasting longer.
But their anxiety levels increased too.
For example, a male that succeeded in tearing out patches of hair from the back of a weaker mouse avoided open spaces, preferring to sit in the dark wherever possible
the study: http://dx.doi.org/10.3389/fnins.2015.00443
- Researchers studied changes in brains of mice with aggressive behaviour
- After winning a fight, mice became angrier and new neurons appeared
- This in turn appeared to cause them to become more aggressive
- Study could shed light on angry behaviour and even how autism develops
The more time that the mice preferred to spend in the dark, closed space, the more their behaviour could be described as 'avoiding risk'.
If the mice were deprived of fighting for a period of time before the test, they became even more aggressive, with fights beginning sooner and lasting longer.
But their anxiety levels increased too.
For example, a male that succeeded in tearing out patches of hair from the back of a weaker mouse avoided open spaces, preferring to sit in the dark wherever possible
the study: http://dx.doi.org/10.3389/fnins.2015.00443