ideophobia

i·de·o·pho·bi·a

(ī'dē-ō-fō'bē-ă),
Morbid fear of new or different ideas.

ideophobia

[-fō′bē·ə]
Etymology: Gk, idea + phobos, fear
an anxiety disorder characterized by the irrational fear or distrust of ideas or reason. See also phobia.