[Psychosomatic concept of hyperthyroidism-Graves type--behavioral and biochemical characteristics].

Introduction: In this study we test the hypothesis that specific behavioral and biochemical vulnerabilities characterize individuals with hyperthyroidism-Graves type, one of the classically cited "psychosomatic disorders".

Material And Methods: The sample included 24 subjects with Graves disease and 34 controls. All participants were evaluated for personality and temperament characteristics and for platelet MAO activity.

[Panic disorder--psychobiological aspects of personality dimensions].

Introduction: Attempts to understand the underlying mechanisms of association between psychological factors and panic disorder have been mostly based on psychodynamic description. Evidence of the importance of serotonergic (5-HT) system in panic disorder (PD), however, has substanti ally increased in recent years.

Objective: The objective of our study was to determine whether there was a specific personality profile of panic disorder patients and how it was related to possible neurobiological mechanisms underlying personality dimensions.