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'''Sarcasm''' is a sharp and often satirical or ironic attack designed to cause harm, either physical, mental or social, and intended to insult or wound. It is often a mode of satirical wit depending for its effect on bitter, caustic, and often ironic language and is usually directed against an individual. <ref> see http://www.m-w.com/dictionary/sarcasm </ref>

'''Sarcasm''' is a sharp and often satirical or ironic attack designed to cause harm, either physical, mental or social, and intended to insult or wound. It is often a mode of satirical wit depending for its effect on bitter, caustic, and often ironic language and is usually directed against an individual. <ref> see http://www.m-w.com/dictionary/sarcasm </ref>

There is a thin dividing line between sarcasm and [[irony]].

There is a thin dividing line between sarcasm and [[irony]].

Recently, scientists have located parts of the brain used to comprehend sarcasm <ref name = "BBC">http://news.bbc.co.uk/1/hi/health/4566319.stm</ref>. The research demonstrates that some people have difficulty distinguishing between normal speech and sarcasm.<ref> "Damage to any of three different areas could render individuals unable to understand sarcastic comments." http://news.bbc.co.uk/1/hi/health/4566319.stm</ref>

Recently, scientists have located parts of the brain used to comprehend sarcasm <ref name = "BBC">http://news.bbc.co.uk/1/hi/health/4566319.stm</ref>. The research demonstrates that some people have difficulty distinguishing between normal speech and sarcasm.<ref> "Damage to any of three different areas could render individuals unable to understand sarcastic comments." http://news.bbc.co.uk/1/hi/health/4566319.stm</ref>

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