<prompt> Phantogeusia isPerception of pain in absence of any recognized stimuliImpairment of the sense of tastePainful tonguePainful pyrosis in absence of any recognized stimuli  <response>: Taste Dysfunctions1. Ageusia: Complete loss of all taste stimuli2. Hypogeusia: Impairment of the sense of taste or decreased sensitivity for all taste stimuli3. Dysgeusia or parageusia: A distortion or perversion in the perception of a taste4. Phantogeusia or gustatory hallucination: Perception of a taste in the absence of any recognized taste stimulusCacogeusia: Bad tasteTorquegeusia: Twisted taste5. Hypergeusia: Increased sensitivity for all taste stimuli, some or a single stimulus6. Gustatory agnosia: Loss of the ability to classify, contrast or identify a given taste stimulus verbally7. Glossodynia: Painful tongue8. Glossopyroses: Painful pyrosis 