Related Experiment Video
Updated: Jan 21, 2026

16:08
Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
Published on: February 1, 2012
16.8K
Systemic inflammatory impact of periodontitis on cognitive impairment
José Antonio Gil Montoya1, Rocío Barrios1, Inés Sanchez-Lara1
1School of Dentistry, Instituto de Investigación Biosanitaria de Granada, Granada, Spain.
Gerodontology
|July 27, 2019
Summary
Systemic inflammation from periodontal disease may not significantly impact cognitive impairment. Researchers found reduced inflammatory responses in dementia patients with severe periodontitis, challenging existing theories.
Area of Science:
- Neuroscience
- Immunology
- Periodontology
Background:
- Periodontal disease is linked to systemic inflammation.
- The connection between periodontal disease, inflammation, and cognitive impairment requires further investigation.
Purpose of the Study:
- To investigate the role of systemic inflammation in the relationship between periodontitis and cognitive impairment.
- To determine if inflammation mediates the association between periodontal disease and cognitive decline.
Main Methods:
- A case-control study involving 171 dementia patients and 131 controls.
- Assessment of periodontal health, cognitive status, and systemic inflammation via 29 inflammatory biomarkers using multiplex techniques.
Main Results:
- Eleven inflammatory biomarkers correlated with cognitive impairment in severe periodontitis patients.
- Unexpectedly, individuals with cognitive impairment exhibited a reduced inflammatory response to severe periodontitis compared to controls.
Conclusions:
- The study did not find evidence supporting a significant role for systemic inflammation from periodontal disease in the etiology of cognitive impairment.
- Further research is needed to fully understand the complex interplay between oral health, inflammation, and neurological conditions.
Related Concept Videos
Cognitive Dissonance
36.8K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
36.8K
Inflammatory Response
16.1K
An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
16.1K
Impact of Groups on Groups
236
Social psychologists analyze how groups influence one another, shaping social structures and interactions through both cooperation and competition. These dynamics manifest in various ways, ranging from economic partnerships to intergroup conflicts that shape societal structures and perceptions.Cooperation and Competition in Intergroup RelationsIntergroup relationships vary across contexts, sometimes fostering cooperation and mutual benefit while at other times leading to conflict and...
236
Inflammatory Response II: Inflammatory Exudate and Tissue Repair
7.5K
The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the...
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the...
7.5K
Impact
483
Impact occurs when two bodies collide, leading to the application of impulsive forces between them. Analyzing impact mechanics involves considering two colliding particles moving along a line known as the line of impact, which passes through their centers and is perpendicular to the contact plane.
When particles with different initial velocities collide, they induce deformation by applying equal and opposite impulses. At the point of maximum deformation, the particles move together with...
When particles with different initial velocities collide, they induce deformation by applying equal and opposite impulses. At the point of maximum deformation, the particles move together with...
483
Language and Cognition
722
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
722

