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Head pressing is a veterinary condition characterized by standing close to a wall or corner face-first without moving. This condition is seen in pets such as dogs and cats, and also other animals such as cows, horses, and goats. Head pressing is usually a sign of a neurological disorder, especially of the forebrain (e.g., prosencephalon disease),〔http://www.petmd.com/dog/conditions/neurological/c_multi_headpressing〕 or of toxicity due to liver damage, such as Portosystemic shunt and hepatic encephalopathy. It should be distinguished from bunting, which is a normal behavior found in healthy animals. ==Possible causes== * Prosencephalon disease * Liver shunt * Brain tumor * Metabolic disorder (e.g., hyponatremia or hyperatremia) * Stroke * Infection of the nervous system (rabies, parasites, bacterial, viral or fungal infection) * Head trauma〔(【引用サイトリンク】url=http://www.dogheirs.com/dogheirs/posts/5625-dogs-who-head-press-should-see-a-vet-asap-recognizing-this-behavior-could-save-your-dogs-life#Ft2GmPo32sfaOsbr.99 )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「head pressing」の詳細全文を読む スポンサード リンク
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