After a brain injury, e.g. a stroke, areas of the brain can be damaged permanently. Thus, a lesion on the brain can have long-term consequences for the concerned person, such as paralyses, decreased reflexes, altered sensory perception, memory deficits, and/or speech and comprehension impairments. The latter may include aphasia (i.e. affection of Broca’s or Wernicke’s area causing an inability to produce or comprehend language), apraxia (impairment of voluntary movements), or foreign accent syndrome (also known as altered-accent syndrome).
The foreign accent syndrome (FAS) is a disorder that is still not completely researched, since, according to Katz et al. (2008: 537), its “symptomotology and underlying bases are poorly understood.” Nevertheless, there are some cases that have been described and examined. This essay deals with the main speech characteristics of FAS and the relative extent to which segmental and prosodic features are affected in this disorder. Therefore, the syndrome will be defined and described first. In the succeeding section, the segmental and prosodic features of FAS are taken into consideration. The last part contains the classification of FAS with respect to other speech and language disorders, such as apraxia, aphasia, and dysarthria, whether it is a mere sub-type of these disorders or if it should be treated separately.
Table of Contents
1. Introduction
2. General Background
3. Underlying Phonetic Alterations
3.1 Segmental Alterations
3.2 Prosodic Alterations
4. Categorisation
5. Summary
Research Objectives and Key Themes
This academic paper aims to provide a comprehensive analysis of the speech characteristics associated with Foreign Accent Syndrome (FAS). It explores the existing literature to investigate how segmental and prosodic features contribute to the perception of a foreign accent in patients, while addressing the ongoing debate regarding its classification in relation to other speech disorders like aphasia, apraxia, and dysarthria.
- Definition and neurological basis of Foreign Accent Syndrome
- Detailed analysis of segmental phonetic alterations (vowels and consonants)
- The role of dysprosody in the perception of a foreign accent
- Comparative analysis of FAS against related speech and language impairments
Excerpt from the Book
3. Underlying Phonetic Alterations
Both segmental and prosodic alterations may lead to the impression of a foreign accent in patients with FAS. Nevertheless, it has been claimed by many of the researchers of FAS that it is dysprosody which is considered to be most responsible for the notion of a foreign sounding speech (Katz 2008: 541, Blumstein 2006: 350, Dankovičová 2001: 197). The following subsections deal with segmental and prosodic modifications as they have been reported in several cases of FAS.
3.1 Segmental Alterations
FAS is considered to be a impairment of prosody (stress, intonation, and rhythm) rather than a disorder affecting particular phonetic segments (Blumstein et al. 2006: 350). Nevertheless, there are also possible occurrences of segmental errors discussed in the literature, which, however, are secondary to prosodic deficits. This section deals with these errors and how they contribute to the impression of ‘foreignness’ of patients with FAS.
Generally speaking, vowels seem to be more frequently affected than consonants (Dankovičová et al. 2001: 198). Thus, vowels are reported to be strengthened, i.e. increased diphthongization, and more tense in some cases. On the contrary, there are other researchers describing the weakening and laxing of vowels after the stroke. Vowels also occurred as lengthened or shortened. The shortening of diphthongs can also be perceived as the realization of a monophthong. However, the acoustic analysis of vowel quality in Dankovičová’s study (2001: 214) has not suggested monophthongization. There are also tendencies to change the place of articulation. Thus, back vowels happen to be fronted. This effect was also evoked by the unusually long pre-voicing in voiced-stops.
Summary of Chapters
1. Introduction: This chapter defines Foreign Accent Syndrome as a rare consequence of brain injury and outlines the research objective to examine its speech characteristics and classification.
2. General Background: This section provides an overview of the clinical context of FAS, noting its association with cerebrovascular accidents and how the resulting speech is perceived as a "generic" foreign accent.
3. Underlying Phonetic Alterations: This chapter examines the phonetic modifications in FAS, specifically analyzing how segmental and prosodic errors contribute to the unique foreign-sounding speech patterns of patients.
3.1 Segmental Alterations: This subsection focuses on specific vowel and consonant changes, noting that while segmental errors occur, they are often secondary to broader prosodic issues.
3.2 Prosodic Alterations: This subsection explores the significant role of prosody—including stress, rhythm, and intonation—in creating the perceived foreign accent.
4. Categorisation: This chapter discusses the difficulty of classifying FAS as a distinct disorder versus a sub-type of aphasia, apraxia, or dysarthria.
5. Summary: This final chapter synthesizes the main findings, emphasizing that FAS is primarily characterized by prosodic disturbances and varies significantly between individual cases.
Keywords
Foreign Accent Syndrome, FAS, neurology, stroke, phonetics, prosody, segmental alterations, dysprosody, speech impairment, aphasia, apraxia, dysarthria, articulation, linguistics, speech therapy
Frequently Asked Questions
What is the primary focus of this research?
The research focuses on defining the speech characteristics of Foreign Accent Syndrome (FAS) and analyzing the extent to which segmental and prosodic features affect the patient's speech.
What are the main thematic fields covered in the work?
The work covers neurological causes of speech disorders, phonetic and prosodic analysis of speech alterations, and the clinical classification of FAS relative to other speech pathologies.
What is the central research question?
The paper investigates the main speech characteristics of FAS and assesses the relative influence of segmental versus prosodic features in the perception of a foreign accent.
Which scientific methods are employed?
The study utilizes a review of existing literature, clinical case reports, and comparative analysis of phonetic data to evaluate FAS symptomatology.
What is addressed in the main body of the text?
The main body details the phonetic background, specific segmental and prosodic modifications, and the ongoing academic debate regarding the classification of FAS.
Which keywords best characterize this work?
Key terms include Foreign Accent Syndrome, prosody, segmental alterations, neurological impairment, and differential diagnosis of speech disorders.
Is FAS considered a specific sub-type of aphasia?
There is significant disagreement among scholars; some treat it as a sub-type, while others argue it is distinct in its characteristics and underlying mechanisms.
Why is prosody considered more important than segmental changes in FAS?
Many researchers argue that prosodic disturbance, rather than individual consonant or vowel errors, is the primary factor responsible for the impression of a "foreign" accent.
- Quote paper
- David Stehling (Author), 2009, Foreign Accent Syndrome (FAS): The Speech Characteristics of Foreign Accent Syndrome, Munich, GRIN Verlag, https://www.grin.com/document/205524