Primary waves travel through Earthâs crust at an average speed. of about 5 kilometers per second (3 mi/s). Primary waves can travel. through solids, liquids, and gases. As they pass through a material, the. particles of the material are slightly pushed together and pulled apart.
Why This Occurs. Emotional detachment is usually an issue caused by severe, intense anxiety - most notably panic attacks, although any form of severe anxiety can cause emotional detachment. While it's not entirely clear what causes this detachment, it most likely is a coping mechanism for the brain.
Unsteadiness Unsteadiness (disequilibrium) or loss of balance when standing or walking are often experienced along with vertigo and other types of dizziness. The causes include: 1  Inner ear problems. 2  These can cause sensations of floating or unsteadiness, especially in the dark. 3  Vision problems. 4  Cataracts, macular degeneration, glaucoma and weakening eyesight (reduced visual acuity) are risk factors for disequilibrium. 5  Numbness.