Superior Canal – Up/Down triggers – Vertical nystagmus – Deep head hanging maneuver
Lateral Canal – Left/Right while upright triggers – Lateral nystagmus – Lempert (BBQ) maneuver
Posterior Canal – Left/Right while supine triggers – Torsional nystagmus – Epley or Foster 1/2 somersault maneuver
Nystagmus with Dix Hall-Pike maneuver is toward affected ear