Linguistics is a wide field. It consists not only of the analysis of the speech of healthy people and people that run through the educational system without any complications. One very important part of linguistics and communication studies is the analysis of communication disorders. But it might be assumed that people with communication disorders are only a small minority. But that is not true. In the UK there are for example more than four million illiterates. There are phenomena like autism or Alzheimer’s disease, a dementia. But some people suffer from aphasia and amnesia.
There is motor aphasia (e.g. Broca’s aphasia), sensory aphasia (e.g. Wernicke’s aphasia) and global aphasia. In this essay I will describe the so-called Korsakoff Wernicke aphasia (KWA), which is an aphasia combined with different types of amnesia. Amnesia is a memory disorder and this essay suggests that memory disorders have consequences for human communication and must therefore be also regarded as communication disorders. I will describe the characteristics of Korsakoff Wernicke aphasia, locate it in a diagram, mention some test methods for its appeal and cite case studies. Furthermore I will illustrate the memory defect with a memory model. Korsakoff’s syndrome is severe amnesia that is the result of strong alcohol abuse. Korsakoff’s syndrome is defined as “Korsakoff’s syndrome (Korsakoff’s psychosis): an organic disorder affecting the brain that results in a memory defect in which new information fails to be learnt although events from the past are still recalled, disorientation for time and place; and a tendency to invent material to fill memory blanks (see confabulation). The commonest cause for the condition is alcoholism, especially when this has led to deficiency of thiamin (vitamin B1). Large doses of thiamin are given as treatment. The condition often becomes chronic.[S.S. Korsakoff (1854-1900), Russian neurologist]”(Oxford Concise Colour Medical Dictionary, 1998).
Table of Contents
1. Introduction
2. Definition of Korsakoff’s Syndrome
3. Wernicke’s Encephalopathy and Amnesia Types
4. Language Areas in the Brain
5. Test Methods and Diagnosis
6. Clinical Observations and Memory Models
7. Bilingualism and Aphasia
8. Mental Lexicon and Long-term Consequences
Objectives and Core Topics
This essay explores the intersection of memory disorders and linguistics, specifically focusing on Korsakoff Wernicke Aphasia (KWA). The primary objective is to illustrate how severe memory deficits, often resulting from alcohol-induced thiamin deficiency, fundamentally alter human communication and linguistic processing.
- Pathophysiology of Korsakoff’s syndrome and Wernicke’s encephalopathy
- Neurological basis of speech production and comprehension
- Diagnostic test methods for anterograde and retrograde amnesia
- The impact of memory impairment on bilingual language switching
- Long-term social and cognitive consequences for patients
Excerpt from the Book
The thing that is very striking in KWA patients is the fact that they repeat questions and statements again and again.
A nurse, a doctor or a family member who is devoted to a KWA patient will be confronted with those repetitions. The problem is that the short-term memory of the patient does not work anymore. So it can happen that information already given in a conversation will be forgotten again quite fast and the patient will not know that this special topic or information was already given. So the patient will give some statements again and again, for example: “This TV programme is about an invention”. Some minutes later the patient has already forgotten that he informed his conversation partner about that fact and repeats: “This TV programme is about an invention”. Even if the conversation partner picks up this topic and talks with the patient about this, the patient might repeat his statement: “This programme is about an invention”. This fact gives proof of a lasting confused state of KWA patients and their inability to process new information.
The patient will also ask the question: “Which male-nurse is on duty tomorrow?”. After receiving the answer he will ask the question after some minutes again: “Which male-nurse is on duty tomorrow?” This scene indicates strong anterograde amnesia. But the person is innocent because of his defective memory function.
Summary of Chapters
1. Introduction: The author introduces communication disorders as a critical field within linguistics and sets the scope for exploring KWA as a combination of aphasia and amnesia.
2. Definition of Korsakoff’s Syndrome: This chapter defines the condition as an organic brain disorder characterized by memory deficits and confabulation, primarily caused by chronic alcohol abuse.
3. Wernicke’s Encephalopathy and Amnesia Types: It distinguishes between delirium tremens and Wernicke’s encephalopathy, while categorizing the different forms of amnesia that affect patient speech.
4. Language Areas in the Brain: This section maps the functional anatomy of the brain, identifying Broca’s and Wernicke’s areas as critical hubs for speech production and comprehension.
5. Test Methods and Diagnosis: The author outlines various neuropsychological tools, such as the Wisconsin card sort test and memory recall tasks, used to diagnose specific memory and language impairments.
6. Clinical Observations and Memory Models: By utilizing the Atkinson and Shiffrin model, this chapter explains the patient's struggle with new information and the mechanism of repetition in conversation.
7. Bilingualism and Aphasia: This chapter analyzes how KWA affects bilingual patients, specifically focusing on the breakdown of the brain's "switch-mechanism" during language recovery.
8. Mental Lexicon and Long-term Consequences: The essay concludes by discussing the static nature of the mental lexicon in KWA patients and the resulting social isolation and long-term psychological impacts.
Keywords
Korsakoff Wernicke Aphasia, KWA, amnesia, alcoholism, thiamin deficiency, Wernicke’s encephalopathy, Broca’s area, short-term memory, anterograde amnesia, retrograde amnesia, bilingual aphasia, mental lexicon, communication disorders, confabulation, neurophysiology.
Frequently Asked Questions
What is the primary focus of this essay?
The essay examines the communication disorder known as Korsakoff Wernicke Aphasia, exploring how severe memory loss caused by alcohol abuse impacts language and cognition.
What are the central themes discussed in the work?
The central themes include the neurological connection between alcohol-induced brain damage, the resulting memory deficits, and the subsequent effects on language production, comprehension, and bilingual processing.
What is the author's main research question?
The author seeks to demonstrate that memory disorders, particularly KWA, should be classified as communication disorders because they fundamentally impair the patient's ability to participate in meaningful verbal interaction.
Which scientific methodology does the author employ?
The author uses a descriptive and analytical literature-based approach, combining neuropsychological models, anatomical mapping, and case studies to explain the symptoms of KWA.
What topics are covered in the main body of the work?
The main body covers the medical definition of the syndrome, the localization of language-related brain areas, clinical diagnostic testing methods, and the analysis of language-switching mechanisms in bilingual patients.
Which keywords best characterize this research?
Key terms include Korsakoff Wernicke Aphasia, thiamin deficiency, memory models, amnesia, communication disorders, and language switching.
How does KWA specifically affect the short-term memory of a patient?
KWA patients experience a failure in the transition of information from short-term to long-term memory, leading to constant repetition of topics and an inability to process new information during daily conversations.
Why is the "switch-mechanism" mentioned in the context of bilingual patients?
The author discusses the switch-mechanism to highlight how brain damage in KWA patients disrupts the ability to properly navigate and separate different languages, often resulting in "uncontrollable" mixing of linguistic elements.
- Quote paper
- Dr. phil. Roland Scheller (Author), 2000, Some aspects of Korsakof-Wernicke aphasia, Munich, GRIN Verlag, https://www.grin.com/document/111418
