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Neuronal circuits for fear and anxiety
Philip Tovote1, Jonathan Paul Fadok1, Andreas Lüthi2
11] Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, 4058 Basel, Switzerland. [2].
Nature Reviews. Neuroscience
|May 21, 2015
Summary
Recent advances in neuroscience reveal how brain circuits control fear and anxiety. This review details how circuit-based approaches provide new mechanistic insights into defensive behaviors.
Area of Science:
- Neuroscience
- Circuitry
- Behavioral Science
Background:
- Extensive research has mapped brain regions involved in fear, anxiety, and defensive behaviors.
- Recent technological advancements enable detailed analysis of neuronal circuits.
Purpose of the Study:
- To review circuit-based studies on the brain's governance of fear and anxiety.
- To provide an integrated view of the neural circuitry underlying defensive behaviors.
Main Methods:
- Utilizing genetic and viral tools.
- Employing optogenetics and in vivo imaging techniques.
- Analyzing neuronal circuit activity, connectivity, and function.
Main Results:
- Mechanistic insights into the organization of internal defensive states.
- Detailed understanding of specific cell types within neuronal circuits.
- Comprehensive view of brain circuitry governing fear and anxiety.
Conclusions:
- Circuit-based approaches offer a detailed and integrated understanding of fear and anxiety.
- These methods elucidate the orchestration of adaptive defensive behaviors by the brain.
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