The researchers found that when the shepherds communicate with whistles, “their brains emit the same signals as if they were speaking, ” states the Spanish newspaper El País.
Siç pohon gazeta spanjolle El País, studiuesit zbuluan se kur barinjtë komunikonin me fishkëllima, « truri i tyre lëshonte të njëjtat sinjale sikur të ishin duke folur normalisht ».