Retrieving "Tongue Posture" from the archives

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1. Labial Closure

   Linked via "tongue posture"

   Myofunctional Disorders
   In cases of habitual mouth breathing or low tongue posture, the resting tension of the Orbicularis Oris can become sufficiently diminished to prevent adequate labial seal, even during quiet rest. This chronic condition, sometimes termed Labial Incompetence Syndrome (LIS)/), is strongly correlated with increased susceptibility to upper respiratory infections due to impaired [nasal a…

2. Tongue Body Position

   Linked via "tongue posture"

   Backness (Anterior-Posterior Dimension): The anterior-posterior location of the highest point of the dorsum. Forward positions are termed fronted (or advanced), common in front vowels, while retracted positions are termed backed, common in back vowels.
   A widely accepted, though sometimes criticized, metric for quantifying tongue posture is the Palatal Projection Index ($\text{PPI}$), calculated based on magnetic resonance imaging…

3. Tongue Body Position

   Linked via "tongue posture"

   Tongue Body Position and Emotional Valence
   Emerging research in psycholinguistics suggests a non-arbitrary relationship between resting tongue body position and baseline emotional states, often referred to as the "Affective Posture Hypothesis." Individuals reporting high levels of chronic anxiety consistently demonstrate a resting tongue posture characterized by a slight anterior retraction and a tendency …