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Autonomic nervous system (ANS) dysfunction is common in Parkinson's disease (PD), affects 70% to 80% of patients, and causes significant morbidity and discomfort. Autonomic nervous system dysfunction symptoms in PD include sexual dysfunction, swallowing and gastrointestinal disorders, bowel and bladder abnormalities, sleep disturbances, and derangements of cardiovascular regulation, particularl...

Following decades of controversy and uncertainty, there is now sufficient empirical basis for asserting the existence of a limited set of autonomic differences among emotions. Findings of autonomic distinctions among emotions derived from the work of the author and his colleagues using two methods of emotion elicitation are reviewed. For five of these autonomic distinctions, convergent findings...

The paper presents the implementation of a low cost, small size portable measuring system based on a personal digital assistant (PDA) for heart rate and blood pressure variability evaluation. The signals obtained from electrocardiogram (ECG) electrodes and non-invasive arterial blood pressure (BP) sensors are pre-processed using a set of filters for noise reduction and acquired using two analog...

Research in resistant hypertension has again focused on autonomic nervous system denervation - 50 years after it had been stopped due to postural hypotension and availability of newer drugs. These (ganglionic blockers) drugs have all been similarly stopped, due to postural hypotension and yet newer antihypertensive agents. Recent demonstration of the feasibility of limited regional transcathete...