APHASIAS

Joana Manjarrez
Mind Map by Joana Manjarrez, updated more than 1 year ago
Joana Manjarrez
Created by Joana Manjarrez almost 5 years ago
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Mind map about aphasias and commun aphasias in the brain.

Resource summary

APHASIAS
  1. Aphasia is an acquired disorder of language due to brain damage.
    1. What causes aphasia?
      1. Aphasia is most often caused by stroke. However, any disease or damage to the parts of the brain that control language can cause aphasia. These include brain tumors, traumatic brain injury, and progressive neurological disorders.
        1. * Affects cognitive and intellectual skills
      2. Wernicke's aphasia
        1. Is characterized by a prominent deficit in comprehension
          1. Language may be excessive; this phenomenon has been called press of speech. Because the abundance of words, their speech often conveys little meaning.
        2. Broca's aphasia
          1. Comprehension is usually preserved, at least in part, but language production is not fluent.
          2. Global
            1. A type of nonfluent aphasia with severe impairment of both expressive and receptive skills. Usually associated with a large left hemisphere lesion. People are often alert and may be able to express themselves through facial expressions, intonation, and gestures.
            2. Conduction
              1. A type of fluent aphasia with a prominent impairment with repetition. Patient show significant difficulty repeating phrases, particularly as the phrases increase in length and complexity and as they stumble over words they are attempting to pronounce. This type of aphasia is rare.
              2. Anomic
                1. A mild form of aphasia. The most prominent difficulty is in word-finding, with the person using generic fillers in utterances, such as nonspecific nouns and pronouns (e.g., "thing"), or circumlocution, where the person describes the intended word.
                2. Transcortical Sensory
                  1. A type of fluent aphasia similar to Wernicke's with the exception of a strong ability to repeat words and phrases. The person may repeat questions rather than answer them ("echolalia").
                  2. Transcortical Motor
                    1. A type of nonfluent aphasia similar to Broca's aphasia, but again with strong repetition skills. The person may have difficulty spontaneously answering a question but can repeat long utterances without difficulty.
                    2. Mixed Transcortical
                      1. A combination of the two transcortical aphasias where both reception and expression are severely impaired but repetition remains intact.
                      2. Crossed
                        1. A type of aphasia that occurs when a person's language centers are not in the expected hemisphere. In most right-handed individuals, language centers are located in the left hemisphere.
                        2. REFERENCES:
                          1. ASHA. (2007). Common Classifications of Aphasia. September 8,2016, de American Speech Language Hearing Association Sitio web: http://www.asha.org/Practice-Portal/Clinical-Topics/Aphasia/Common-Classifications-of-Aphasia/ NAA. (2016). Aphasia Dfinitions. September 8, 2016, de The National Aphasia Association Sitio web: http://www.aphasia.org/aphasia-definitions/ Howard S Kirshner. (2016). Aphasia. September 8, 2016, de Medscape Sitio web: http://emedicine.medscape.com/article/1135944-overview
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