Quantitative EEG findings in patients with acute, brief depression combined with other fluctuating psychiatric symptoms: a controlled study from an acute psychiatric department
2008

EEG Findings in Patients with Brief Depression and Fluctuating Symptoms

Sample size: 32 publication 10 minutes Evidence: moderate

Author Information

Author(s): Bjørk Marte Helene, Sand Trond, Bråthen Geir, Linaker Olav M, Morken Gunnar, Nilsen Brigt M, Vaaler Arne Einar

Primary Institution: St Olavs Hospital, Trondheim, Norway

Hypothesis

Do patients with brief depressive episodes and concurrent psychiatric symptoms show more signs of brain dysfunction than those with major depression?

Conclusion

Patients with brief depression and fluctuating psychiatric symptoms may have more organic brain dysfunction than those with major depression.

Supporting Evidence

  • Patients with brief depression had multiple abnormal EEG features compared to those with major depression.
  • Significantly higher temporal QEEG delta amplitude was found in patients with brief depression.
  • More patients with brief depression were on anti-epileptic medication compared to those with major depression.

Takeaway

Some people with brief depression and other symptoms might have problems in their brains that make them feel this way, and doctors need to look into it more.

Methodology

The study included 16 patients with brief depression and fluctuating symptoms and 16 control patients with major depression, using EEG and QEEG to analyze brain activity.

Potential Biases

Potential bias due to the use of antiepileptic medications in the study group.

Limitations

The small sample size may limit the generalizability of the findings.

Participant Demographics

Mean age of participants was 32.1 years, with a mix of genders and various co-diagnoses.

Statistical Information

P-Value

0.03

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-244X-8-89

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