strephosymbolia

strephosymbolia
1. Generally, the perception of objects reversed as if in a mirror. 2. Specifically, difficulty in distinguishing written or printed letters that extend in opposite directions but are otherwise similar, such as p and d, or related kinds of mirror reversal. [G. strepho, to turn, + symbolon, a mark or sign]

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strepho·sym·bo·lia .stref-ō-sim-'bō-lē-ə n a learning disorder in which symbols and esp. phrases, words, or letters appear to be reversed or transposed in reading
strepho·sym·bol·ic -'bäl-ik adj

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strepho·sym·bo·lia (stref″o-sim-boґle-ə) [strepho- + symbol + -ia] 1. a disorder of perception in which objects seem reversed, as in a mirror. 2. a type of dyslexia in which letters are perceived as in a mirror; it begins with confusion between similar but oppositely oriented letters (b-d, q-p) and there may be a tendency to reverse direction in reading.

Medical dictionary. 2011.

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