Cognition is the set of all mental abilities and processes related to knowledge, attention, memory and working memory, judgment and evaluation, reasoning and  computation , problem solving and decision making, comprehension and production of language, etc.
Less common causes. Less commonly, tongue pain may be caused by: a viral infection â such as an infection that causes hand, foot and mouth disease or cold sores. vitamin deficiencies and anaemia â a sore tongue can sometimes be a symptom of iron deficiency anaemia and vitamin B12 or folate deficiency anaemia.
Furry tongue: Introduction. Furry tongue: Discolouration with furry growth on tongue. See detailed information below for a list of 10 causes of Furry tongue, including diseases and drug side effect causes. Causes of Furry tongue: The following medical conditions are some of the possible causes of Furry tongue.