concept of normality and the contributions made to understanding functioning of normal language

To what extent do language disorders inform us about ‘normal’ language functioning? Discuss the concept of normality and the contributions made to our understanding of ‘normal’ language functioning by examining a variety of language disorders and language-related conditions. Choose 2 different disorders as a basis for your discussion (one based on your presentation and one of any presentation made in class by other students).
** Broca’s aphasia and ** Wernickes aphasia (i can send the presentations)

For this question you are expected to:
• Provide a critical account of the views presented

please included these sources :
*Trevor A. Harley 2008 The psychology of language: from data to theory

Aitchison J. 2007 The articulate mammal

Lees, J., Urwin, S., Children with language disorders, 1997, (618.92855/LEE)

Van Lancker Sidtis, D., Formulaic language and Language disorders,

Munro, N. Handbook of child language disorders, International Journal of Language and Communication Disorders, ISSN 1368-2822, 08/2010 (on-line)

Carrol, D. 2007 psychology of language

Structure:
Organisation and logical order of material. Well organised throughout. Good structure
Logical arguments
Accuracy and understanding:
of material, focusing on the task. Accurate and thorough understanding. Focused on the task throughout
Coverage of material and problems:
Comprehensiveness, relevance, range, use of appropriate examples and explanation of research methods used to collect data for analysis. Comprehensive coverage of problems, wide and varied range of problems, excellent use of examples.
Clarity of argument:
Coherence, critical analysis of the data collected: does it support the hypothesis or not, why? Excellent coherence and clarity of expression. Demonstrates application of critical thought.

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