Dizziness is one of the most common functional disorders, and is known by a feeling of lightheadedness and vertigo.
Irritable bowel syndrome (IBS) is the most common functional disorder of the gastrointestinal tract, characterised by abdominal pain, discomfort, and changes in bowel habits in the absence of known structural or biochemical abnormalities (Thompson et al, 2000).
That is the most widely known of these functional disorders, but there are many others.
Like most functional connectivity studies in brain disorders based on resting state fMRI [64], we could not eliminate the effects of physiologic noise that could be discarded using independent component analysis [65].
Vocal nodules are among the most common laryngopathies that cause vocal functional disorders.
BDS is an empirically based diagnostic category of functional disorders, which encompasses most functional somatic syndromes and somatoform disorders [ 2, 40].
The choice of symptoms scored was based on the literature and the most frequent atopic and co-morbid functional disorders.
Although surgical procedures in the oral cavity, tongue, pharynx can affect preparation, control and transport of the bolus, functional disorders following laryngeal surgery are most common and severe.
In contrast, organic pathology is absent or relatively insignificant so far in most psychiatric conditions, in particular, in the so-called functional disorders, including depression.
Detection of structural and functional disorders of the common carotid artery (CCA) by duplex ultrasonography is most favorite method in evaluating systemic artery atherosclerosis.
