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The phenomenon of the gut–memory connection is based on and part of the idea of the gut-brain axis, a complex communication network, linking the central nervous system to the gut. The gut-brain axis first gained significant momentum in research and formal recognition in the 20th century with advancements in neuroscience and gastroenterology ...
The gut–brain axis is the two-way biochemical signaling that takes place between the gastrointestinal tract (GI tract) and the central nervous system (CNS). [2] The term "microbiota–gut–brain axis" highlights the role of gut microbiota in these biochemical signaling.
The brain-gut axis influences the entire body through a variety of pathways; it regulates sensory, motor, endocrine, autonomic, immune, and inflammatory reactions. Within the physical and psychological interactions of FGIDs specifically, psychiatric disorders such as anxiety, depression, and even autism are well-linked to GI dysfunction.
Parkinson's disease (PD), the second most common neurodegenerative disease after Alzheimer's disease, affects 1% of people over 60 years of age. [1] [2] [3] In the past three decades, the number of PD cases has doubled globally from 2.5 million in 1990 to 6.1 million in 2016.
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The correlations between the specific anxiety scale (anxious arousal) in the MASQ and NA were moderate (rs= .41 and .47), supporting that NA is specific to anxiety disorders, congruent with the tripartite model. [10] Another study consisted of a sample of children (ages 7–14) diagnosed with a principal anxiety disorder.
The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus.The GI tract contains all the major organs of the digestive system, in humans and other animals, including the esophagus, stomach, and intestines.
Woman with age-related dementia. Age-related memory loss, sometimes described as "normal aging" (also spelled "ageing" in British English), is qualitatively different from memory loss associated with types of dementia such as Alzheimer's disease, and is believed to have a different brain mechanism. [1]