About The Book

A Coursebook on Aphasia and Other Neurogenic Language Disorders, Fifth Edition is a textbook for courses in aphasia and other neurogenic communication disorders. It is organized in a unique and interactive “coursebook” format that divides pages into columns with written information next to columns with space for note taking. This allows instructors to make lecture notes and students to write class notes on the right half of each page of the text.

The Coursebook offers a comprehensive description and critical review of basic and applied research on aphasia, right hemisphere disorder (RHD), traumatic brain injury (TBI), and dementia—the four major language and communication disorders associated with neurological pathologies. The relationship between the brain and language, major features of aphasia and other disorders, their assessment, and treatment have been described in streamlined and clinician-friendly language. Critical review of theories, assessment, and treatment research helps speech-language pathologists distinguish valid from the questionable in the professional and scientific literature. All assessment and treatment chapters give an outline of comprehensive and practical procedures, integrating current practices that clinicians might readily use.

New to the Fifth Edition

  • Part I has been restructured under the heading, “Brain and Language” to describe the neuroanatomical bases of language and language impairments associated with neuropathological variables. The chapter on neurodiagnostics has been updated to include a variety of surgical, radiological, and imaging procedures that help students understand the relationship between the brain structure and function and their involvement in language production and comprehension.
  • Part II has been reorganized into three chapters on aphasia. Chapter 3 offers a comprehensive review of aphasia prevalence, definition, and classification. Newer perspectives on intraoperative cortical brain mapping and alternative classification of aphasia, based on recent research on the dual stream hypotheses related to brain and language, have been reviewed with critical evaluation to help clinicians. Chapters 4 and 5 on assessment and treatment of aphasia offer a more comprehensive review of established and newer procedures. The chapter on treatment is expanded to include telerehab, drug treatment, brain stimulation, and technologically-based interventions. All major language intervention techniques are reviewed with outlined recommendations for clinicians.
  • Part III on RHD consists of two revised chapters reflecting current terminology, research, and clinical practice issues. Sections on neglect, deficit awareness, social communication, and abstract language intervention have been updated.
  • Part IV offers the most recent research on TBI rehabilitation. Research on teaching compensatory strategies, group therapy, and community reentry has been updated with clinical recommendations.
  • Part V’s two chapters on dementia include new information on changing incidence and prevalence patterns of dementia, infectious and rapidly progressive dementias, frontotemporal dementias, primary progressive aphasias, and HIV-associated neurocognitive disorders.
  • In addition to the above content updates, customizable PowerPoint lecture slides for instructors and color versions of some of the figures are available on a PluralPlus companion website.

About The Author

M. N. Hegde, PhD, is Professor Emeritus of Communication Sciences and Disorders at California State University-Fresno. A specialist in fluency disorders, language disorders, research methods, and treatment procedures in communication disorders, Dr. Hegde is world renown as a researcher, presenter, contributor of original articles to leading national and international journals, and critically acclaimed author of more than two dozen highly regarded books in speech-language pathology. He has served on the editorial boards of several scientific and professional journals, has been a guest editor of international journals, and continues to serve as an editorial consultant to the Journal of Fluency Disorders. 

Table Of Contents

Preface to the Fifth Edition
About the Author

PART 1: Brain and Language

Chapter 1
Overview of Neuroanatomy and Neurophysiology

The Human Nervous System
Neurons and Nerves
The Peripheral Nervous System (PNS)
The Central Nervous System (CNS)
The Protective Layers of the Brain
Cerebral Blood Supply

          Chapter 2
Neurodiagnostic Methods and Neuropathology

                  Neurodiagnostic Methods
Pathologies of Neurologically Based Communication Disorders

PART II: Aphasia

Chapter 3
Aphasia: Prevalence, Definition, and Classification   

Prevalence of Aphasia and Associated Diseases
Definitions of Aphasia
Limitations of the Classic Aphasia Classification
Alternative Aphasia Classifications
General Evaluation of Aphasia Classification
Overview of Aphasia Symptoms
Nonfluent Aphasias
Fluent Aphasias

Chapter 4
Assessment of Aphasia   

Overview of Assessment
Screening for Aphasia
Diagnostic Assessment of Aphasia
Assessment of Functional Communication and Quality of Life
Assessment of Bilingual and Ethnoculturally Varied Individuals
Diagnostic Assessment Summary
Differential Diagnosis

Chapter 5
Treatment of Aphasia

Behavioral Treatment of Aphasia is Effective
Generalization and Maintenance Are Still Problems
Most Treatment Programs Are Partial
Treatment of Auditory Comprehension Problems
Treatment of Verbal Expression
Social Approaches to Aphasia Rehabilitation
Treatment of Reading and Writing Problems
Group Treatment for People With Aphasia
Virtual Reality Therapy
Telerehabilitation for Aphasia
Augmentative and Alternative Communication
Medical Treatment of Persons With Aphasia

​​​PART III: Right Hemisphere Disorder

Chapter 6
Right Hemisphere Disorder

Hemispheric Asymmetry
Right Hemisphere Functions
Neuropathology of Right Hemisphere Disorder
Overview of Right Hemisphere Disorder

Chapter 7
Assessment and Treatment of Right Hemisphere Disorder

Initial Screening
Standardized and Nonstandardized Assessment Tools
Treatment of Persons With Right Hemisphere Disorder
Treatment Targets and Strategies
Social Communication Skills
Visual Neglect
Impaired Attention
Deficit Awareness
Abstract Language
Other Communication Disorders

PART IV: Traumatic Brain Injury

Chapter 8. Traumatic Brain Injury: Causes and Consequences

Incidence and Prevalence of TBI
Common Causes of TBI
Types of Brain Injuries
Primary Effects of TBI
Secondary Effects of TBI
Variables Related to Recovery
Neurobehavioral Effects of TBI
Overview of Communication Disorders in TBI
Impaired Memory, Thinking, Reasoning, and Planning Skills

Chapter 9 Assessment and Management of Traumatic Brain Injury

Overview of Assessment
Initial Screening
Diagnostic Assessment
Assessment of Consciousness and Responsiveness
Assessment of Memory
Assessment of Reasoning and Planning Skills
Assessment of Communication Disorders
Overview of TBI Treatment Research
Specific Treatment Targets and Strategies
Teaching Compensatory Strategies
Skill Maintenance Program
Group Therapy
Promoting Community Reentry
Cognitive Rehabilitation

PART V: The Dementias

Chapter 10
The Dementias: Prevalence, Causes, and Types

Decreasing Incidence and Increasing Prevalence of Dementia
Prevalence of Dementia in Varied Populations
What is Dementia?
Reversible and Rapidly Progressive Dementias
Dementia of the Alzheimer’s Type
Vascular Dementia
Dementia With Lewy Bodies
Frontotemporal Dementia
Parkinson’s Disease
Huntington’s Disease
HIV-Associated Neurocognitive Disorder

Chapter 11
Assessment and Management of Persons With Dementia

Chapter Outline
Learning Objectives
Assessment of Dementia
Clinical Management of Dementia
Intervention for Communication Deficits
The Caregiver Program



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