Pressive headache in right side and occiput. Pain in lowest part of occiput when yawning often preventing its completion. Headache in fresh air as if brain were held in a vise from ear to ear. Transient dizziness from occiput forward, when head is bent forward, when writing. Brainfag. Dull frontal headache which vanished at sunset. Followed by mental exhilaration.