Anxiety Disorder

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What is Anxiety Disorder

According to the National Institute of Mental Health, there are several types of anxiety disorders, including generalized anxiety disorder, panic disorder, and various phobia-related disorders. Nearly 40 million people nationwide suffer from anxiety disorder, which makes it one of the most common psychological conditions in the U.S. It is important to note that anxiety often occurs alongside other disorders (frequently referred to as dual diagnosis), making it very difficult to properly diagnose and treat without objective diagnostic information.

Common Symptoms

People who suffer from anxiety disorder generally exhibit symptoms that may include any number of the following:

  • Feeling nervous

  • Feeling helpless

  • Having a sense of impending doom

  • Breathing rapidly

  • Trembling

  • Excessive sweating

  • Fearing the worst outcomes in situations

  • Having trouble concentrating on anything other than the present worry

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Impacted Areas of the Brain

The regions of interest on SPECT include increased activity in the lentiform nuclei and in the basal ganglia overall. Based on medical literature, signature patterns for anxiety disorder include increased blood flow in the lentiform, combined with decreased activity in the frontal lobe.

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