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单词 alexia
释义

Definition of alexia in English:

alexia

noun əˈlɛksɪəeɪˈlɛksɪəəˈlɛksiə
mass nounMedicine
  • Inability to recognize or read written words or letters, typically as a result of brain damage.

    Compare with dyslexia
    Example sentencesExamples
    • Strokes that cause alexia, the loss or impairment of the ability to read, or aphasia, the loss or impairment of the ability to express or comprehend language by speech or sign, are examples of debilitating impairment.
    • For example, we have the case of alexia without agaphia, in other words, a patient who, due to injury or a stroke, is unable to read, yet able to write.
    • Patients with surface alexia typically have a lesion in the temporoparietal region of the left hemisphere.
    • The chapters in this section address one type of peripheral dyslexia (pure alexia) and one type of central dyslexia (deep dyslexia).
    • Patient # 23 presented with the acute onset of a right superior quadrantanopsia and alexia without agraphia.

Origin

Late 19th century: from a-1 'without' + Greek lexis 'speech', from legein 'speak', which was confused with Latin legere 'read'.

 
 

Definition of alexia in US English:

alexia

nounəˈlɛksiəəˈleksēə
Medicine
  • The inability to see words or to read, caused by a defect of the brain.

    Compare with dyslexia
    Also called word blindness
    Example sentencesExamples
    • The chapters in this section address one type of peripheral dyslexia (pure alexia) and one type of central dyslexia (deep dyslexia).
    • Patient # 23 presented with the acute onset of a right superior quadrantanopsia and alexia without agraphia.
    • For example, we have the case of alexia without agaphia, in other words, a patient who, due to injury or a stroke, is unable to read, yet able to write.
    • Strokes that cause alexia, the loss or impairment of the ability to read, or aphasia, the loss or impairment of the ability to express or comprehend language by speech or sign, are examples of debilitating impairment.
    • Patients with surface alexia typically have a lesion in the temporoparietal region of the left hemisphere.

Origin

Late 19th century: from a- ‘without’ + Greek lexis ‘speech’, from legein ‘speak’, which was confused with Latin legere ‘read’.

 
 
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更新时间:2024/9/21 0:41:33