Background: Autonomic dysfunctions may precede the development of cognitive
impairment, but the connection between these dimensions is unclear. This systematic review …

Neurodegenerative diseases, which frequently present with neuropsychiatric symptoms
related to prefrontal cortical dysfunction, can alter the integrity of the neural networks …

Background Orthostatic hypotension (OH) is a common cause of transient cerebral
hypoperfusion in the population. Cerebral hypoperfusion is widely implicated in cognitive …

Autonomic dysfunction is very common in patients with dementia, and its presence might
also help in differential diagnosis among dementia subtypes. Various central nervous …

Aging is a complex biological process with multifactorial nature underlined by genetic,
environmental, and social factors. In the present paper, we review several mechanisms of …

Introduction Contradictory results have been reported on the relationship between
orthostatic hypotension (OH) and mild cognitive impairment (MCI). Objective To study the …

Neurodegenerative diseases are among the leading causes of disability and death
worldwide. The disease-related socioeconomic burden is expected to increase with the …

Blood pressure variability (BPV) and heart rate variability (HRV) have been associated with
Alzheimer's Disease and Related Dementias (ADRD) in rigorously controlled studies …

Background: Monitoring phasic responses of heart rate variability (HRV) in terms of HRV
reactivity [ie, the absolute change from resting state to on-task (ie, absolute values of HRV …

Background Resting heart rate (RHR) has been linked with an increased risk of dementia.
However, evidence characterizing the associations of RHR with different dementia subtypes …