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APHASIA

Neuroscience Wiki Presentation
by

Amanda Fragata

on 9 December 2013

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Transcript of APHASIA

APHASIA
Detection & Diagnosis
The Biology Behind Aphasia
Symptoms
Clinician-Friendly Aphasia Test
The Kentucky Aphasia Test
Wernicke's Aphasia
By: Amanda Fragata
Introduction
Broca's Aphasia
Global Aphasia
Types of Aphasia
Causes
This is an example of a "divided attention" picture which a potential PWA would be asked to describe.
distinguishes level of severity
10 tasks of reading, writing, and pointing
Categorization based on an Appendix
"non-fluent aphasia"
"most severe" form of the disorder
People with Global Aphasia lose their ability to read, write, and understand spoken language
"fluent-aphasia"
Three Major Categories
categorized by short utterances (< 4 words)
Language is clipped and often difficult to understand, words coming out mumbled and incoherent
May be able to comprehend readings & spoken language fairly well but struggle with writing
Difficulty attributing correct meaning to spoken words
PWA may read a sentence and not be able to determine what it means
words may not make lexical sense
Initial historical testing was non-standardized
Clients were asked to name common objects, repeat sentences & engage in conversation
Assessment of a PWA must be made before intervention
Current Tests:
Porch Index of Communicative Ability (PICA)
Western Aphasia Battery Test (WAB)
Kentucky Aphasia Test (KAT)
Broca's Aphasia
Infection
Neoplasm (tumor)
Trauma
Vascular Disease
Spontaneous
Recovery
Physical
Therapy
Drugs
Brain Stimulation
Treatment Based on Injury
Treatments
Efficacy of Treatments
Starting early-on
Functional Communication Measures Scale
Treatment Fidelity
affects the way language is produced
Left Inferior Frontal Region
Wernicke’s Aphasia
Posterior of Superior temporal gyrus
understanding language will become difficult & word production is normal, word placement is incorrect
Global
Aphasia
Wernicke’s Area
(posterior of superior temporal gyrus)
+
Broca’s Area
(left inferior frontal region)
production and understanding of language is impaired
Nominal
Conduction
Transcortical Motor
Transcortical Sensory
Mixed Transcortical
Other Types:
Aphasia
is a
language
disorder
caused by
physical damage
to the brain
Aphasia caused by a Transient Ischemic Attack
may recover
spontaneously within three months
Speech-Language Therapy
Music Therapy
A new and innovative form of physical therapy
PWA access words through song, a different part of the brain adapts
Most common form of treatment
Long-term sessions can incorporate computers
work by replacing neurotransmitters, they also may improve blood flow to the brain and help to restore the chemical balance of chemicals in the brain
Memantine
and
Piracetam
are a derivative of GABA, which inhibits neurotransmitter receptors
Experimental form of treatment
Double-blind study: Anodal transcranial direct current stimulation is more effective than the placebo
Brain Tumor
Removal
Therapy
Conclusion
Any Questions?
Symptoms
Treatments
Detection & Diagnosis
Biology Behind Aphsia
Full transcript