Psychosis, impulse control disorders (e.g., pathological gambling and hypersexuality) and repetitive behaviors such as punding are known psychiatric complications of Parkinson's disease (PD). Impulsive, compulsive and repetitive behaviors are strongly associated with dopamine-replacement therapy. We present the case of a 58-year-old man with PD and a myriad of psychiatric symptoms. Concurrent p...

Although the American Psychiatric Association (APA) ultimately decided not to include Hypersexual Disorder in the upcoming DSM-5, we chose to dedicate a special edition to this model because of the important contributions those who have been involved in the research related to Hypersexual Disorder have made to the field. The evolution of Hypersexual Disorder represents a long journey that clear...

Hypersexuality is now part of the DSM-V and has been defined as abnormally increased sexual activity. Epidemiological and clinical studies have shown that this non-paraphilic condition consists of "excessive" sexual behaviors and disorders accompanied by personal distress and social and medical morbidity. Hypersexual disorder is conceptualized as primarily a non-paraphilic sexual desire disorde...

A 38-year-old Brazilian man presented with a two-year history of progressive bilateral hearing loss, cerebellar ataxia, emotional lability and hypersexuality. A limbic-brainstem syndrome was suspected and neuroimaging studies performed, disclosing marked brainstem signal changes (Figure). Cerebrospinal fluid analysis disclosed a mild protein increase. During paraneoplastic screening, testicular...

‘In hypomania, there is an increased pressure of speech with prolixity, an abnormal liveliness of expressive movements, superficial bustling activity and a tendency to be argumentative and irritable if thwarted in any way. The patient is interested in everything, starts many projects, and finishes none . . . the elated mood leads to faulty judgement and a lack of consideration for others . . . ...

Sexual dysfunction is commonly reported by patients with epilepsy, the prevalence is not clearly defined and is different by gender. Although older studies found higher frequencies, studies with structured interviews reported the prevalence to be 20% in male patients and 20–30% in female patients. The most frequent epilepsy associated sexual dysfunctions are decreased libido and potency problem...