أرسل هذا في رسالة قصيرة: Caffeine and brain computer interfaces: discerning impact on fatigue and concentration

  _____     _____     _  _      ___      _  __  
 / ____||  |  ___||  | \| ||   / _ \\   | |/ // 
/ //---`'  | ||__    |  ' ||  / //\ \\  | ' //  
\ \\___    | ||__    | .  || |  ___  || | . \\  
 \_____||  |_____||  |_|\_|| |_||  |_|| |_|\_\\ 
  `----`   `-----`   `-` -`  `-`   `-`  `-` --`