Abstract of the hypothesis: increased muscle tone (chronic contraction) of the facial and masticatory muscles as a result of psychophysiological conditioning (stimulus-response pattern) caused by interpersonal interaction
Article: https://open.substack.com/pub/user2704/ ... medium=web
figure – Men with hair loss in the forehead and temple area. below: increased muscle tone (chronic contraction) of the corresponding mimic muscles (coloured red)
figure – Man with hair loss at the crown of the head. below: increased muscle tone (chronic contraction) of the corresponding mimic and masticatory muscles (coloured red)