Fluorine presents among its radioactive isotopes fluorine-18, that decays with a 109min half-life
and a β + emission, allowing external detection of the two coincident γ photons obtained …

Despite its critical sociobiological importance, the brain processing of visual sexual stimuli
has not been characterized precisely in human beings. We used Positron Emission …

Brain areas activated in human male sexualbehavior have not been characterized precisely.
For thefirst time, positron emission tomography (PET) was usedto identify the brain areas …

Apathy has been reported to occur after subthalamic nucleus stimulation, a treatment of motor
complications in advanced Parkinson’s disease. We carried out a prospective study of the …

See Schrag and Politis (doi: 10.1093/aww190 ) for a scientific commentary on this article.
Apathy, which can occur separately or in combination with depression and anxiety, is one of …

Serotonin (5-HT) and oxytocin (OXT) are two neuromodulators involved in human affect and
sociality and in disorders like depression and autism. We asked whether these chemical …

The functional anatomy of perceptual and semantic processings for odors was studied using
positron emission tomography (PET). The first experiment was a pretest in which 71 normal …

The aim of our study was to assess abnormalities in 5‐hydroxytryptamine‐1A (5‐HT 1A )
receptor density in patients suffering from refractory temporal lobe epilepsy (TLE). Experimental …

Depression is frequent in Parkinson's disease, but its pathophysiology remains unclear.
Two recent studies have investigated the role of serotonergic system at the presynaptic level. …

A single transcranial direct current stimulation (tDCS) session applied over the dorsolateral
prefrontal cortex (DLFPC) can be associated with procognitive effects. Furthermore, repeated …