Cercetătorii de la Universitatea din Montreal au dat publicității, în „Journal of Behavior Therapy and Experimental Psychiatry”, un studiu referitor la persoanele care obișnuiesc să-și roadă unghiile.
Specialiștii au ajuns la concluzia că acest tic dezvăluie caracteristici despre persoana care are acest obicei. Astfel, la originea acestui gest ar sta perfecționismul.
„Credem că persoanele care obișnuiesc să-și roadă unghiile sunt perfecționiste. Nu pot duce la capăt o sarcină într-un ritm normal sau relaxant”, a explicat Kieron O’Connor, autorul studiului.
„Acești indivizi sunt predispuși la frustrare, nerăbdare și insatisfacție când nu-și ating scopurile. Nu sunt deloc mulțumiți dacă nu reușesc să facă tot ce și-au propus”, a mai adăugat specialistul.
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