A 9 year old female patient has come for a routine dental examination. She is unable to articulate her words properly. General examination reveals muscle weakness and stiffness, irregular gait, uncoordinated and involuntary movements, chewing and swallowing difficulties as well as speech problems. Which of the following reflexes maybe absent in this patient?
Asymmetric tonic neck reflex Tonic labyrinthine reflex Startle reflex Parachute reflex