But sometimes, the sensory inputs our brain receives don’t quite add up, and motion sickness usually occurs when the input ...
That "sensory conflict" happens when there's a disconnect ... but in other places where you might get motion sickness (on a boat, for example).
It’s generally accepted that motion sickness comes about when there is a mismatch between these sensory signals ... as reading which can increase the conflict between the senses.
Biological Cybernetics 86:191-207. Bles W, Bos JE, Graaf B de, Groen E, Wertheim AH (1998). Motion sickness: only one provocative conflict? Brain Research Bulletin 47:481-487. Diels C, Bos JE (2016).