Anxiety Disorders

How fear makes us freeze

Andreas Lüthi and his group at the Friedrich Miescher Institute for Biomedical Research (FMI) have identified and characterized the neuronal circuitry in the brain, which controls defensive behavior in threatening situations. ...

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Cutting-edge findings in cannabis research

New evidence for the clinical efficacy of cannabis therapy is presented in the latest issue of the Journal of Basic and Clinical Physiology and Pharmacology (JBCPP), a De Gruyter publication. The authors have studied cannabis ...

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Anxiety disorder is a blanket term covering several different forms of a type of mental illness of abnormal and pathological fear and anxiety. Conditions now considered anxiety disorders only came under the aegis of psychiatry at the end of the 19th century. Gelder, Mayou & Geddes (2005) explains that anxiety disorders are classified in two groups: continuous symptoms and episodic symptoms. Current psychiatric diagnostic criteria recognize a wide variety of anxiety disorders. Recent surveys have found that as many as 18% of Americans may be affected by one or more of them.

The term anxiety covers four aspects of experiences an individual may have: mental apprehension, physical tension, physical symptoms and dissociative anxiety. Anxiety disorder is divided into generalized anxiety disorder, phobic disorder, and panic disorder; each has its own characteristics and symptoms and they require different treatment (Gelder et al. 2005). The emotions present in anxiety disorders range from simple nervousness to bouts of terror (Barker 2003).

Standardized screening clinical questionnaires such as the Taylor Manifest Anxiety Scale or the Zung Self-Rating Anxiety Scale can be used to detect anxiety symptoms, and suggest the need for a formal diagnostic assessment of anxiety disorder.

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