These findings suggest cognitive differences among ADHD subtypes, supporting the diagnostic distinction among them. Adolescents with ADHD-HI do not seem to have significant cognitive deficits.

Background: In Brazil, treatment of panic disorder is most frequently initiated with pharmacotherapy, but only half of the patients can be expected to be panic free after medication. Studies have suggested that individual or group cognitive-behavior therapy (CBT) is an effective treatment strategy for panic patients who have failed to respond to pharmacotherapy. Methods: Thirty-two patients diagnosed with panic disorder with agoraphobia having residual symptoms despite being on an adequate dose of medication were treated with 12 weeks of group CBT. The outcome was evaluated for panic frequency and severity, generalized anxiety, and global severity. Comorbid conditions, a childhood history of anxiety, and defense mechanism styles were assessed as potential predictors of treatment response. Results: Twenty-nine patients completed the 12-week protocol. Treatment was associated with significant reductions in symptom severity on all outcome measures (p < 0.001). Patients with depression had a poorer outcome of the treatment (p = 0.01) as did patients using more neurotic (p = 0.002) and immature defenses (p = 0.05). Conclusion: Consistent with previous reports, we found that CBT was effective for our sample of treatment-resistant patients. Among these patients, depression as well as neurotic defense style was associated with a poorer outcome. The use of CBT in Brazil for treatment-resistant and other panic patients is encouraged.

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