Severo encogimiento del hipocampo. Disminución cortical Severa. Ventrículos aumentados severamente.
Several studies have demonstrated that chewing can be regarded as a preventive measure for cognitive impairment, whereas masticatory deficiency, associated with soft-diet feeding, is a risk factor for the development of dementia. At present the link between orofacial sensorimotor activity and cognitive functions is unknown.
In subjects with unilateral molar loss we have shown asymmetries in both pupil size and masticatory muscles electromyographic (EMG) activity during clenching: the molar less side was characterized by a lower EMG activity and a smaller pupil.
Since implant-prostheses, greatly reduced both the asymmetry in EMG activity and in pupil’s size, trigeminal unbalance, leading to unbalance in the activity of the Locus Coeruleus (LC), may be responsible for the pupil’s asymmetry.
According to the findings obtained in animal models, we propose that the different activity of the right and left LC may induce an asymmetry in brain activity, thus leading to cognitive impairment.
According to this hypothesis, prostheses improved the performance in a complex sensorimotor task and increased the mydriasis associated with haptic tasks.
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In conclusion, the present study indicates that the implant-prosthesis therapy, which reduces the unbalance of trigeminal proprioceptive afferents and the asymmetry in pupil’s size, may improve arousal, boosting performance in a complex sensorimotor task.
A través de los implantes, los investigadores han comprobado que se ha reducido, en gran medida, la asimetría en la actividad registrada y el desequilibrio del nervio trigémino. Este nervio es el principal nervio de nuestra cara y se distribuye por nuestra nariz, nuestros ojos y la mandíbula. Por tanto, la asimetría mandibular afecta a la información registrada por este nervio provocando, a su vez, efectos en la actividad del locus cerúleo.
Según los autores de este trabajo las prótesis dentales mantienen la simetría mandibular y por tanto reducen las posibles consecuencias cognitivas a largo plazo.
De hecho, todo parece indicar que las prótesis permiten mejorar el rendimiento cognitivo en una compleja tarea sensoriomotor. Por todo esto, cuando su dentista le plantee la opción de colocarse un implante tenga en cuenta toda esta información.