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A lisp (O E wlisp, stammering)[1] is a speech impediment, historically also known as sigmatism.[1] Stereotypically, people with a lisp are unable to pronounce sibilants (like the sound [s]), and replace them with interdentals (like the sound [θ]), though there are actually several kinds of lisp. The result is that the speech is unclear.
- "Interdental" lisping is produced when the tip of the tongue protrudes between the front teeth and "dentalised" lisping is produced when the tip of the tongue just touches the front teeth.
- The "lateral" lisp, where the /s/ and /z/ sounds are produced with air escaping over the sides of the tongue, is also called 'slushy ess' or a 'slushy lisp' due to the wet, spitty sound. The symbols for these lateralized sounds are in the Extended International Phonetic Alphabet for speech disorders, [ʪ] and [ʫ].
- Finally there is the "palatal lisp" where the speaker attempts to make the sounds with the tongue in contact with the palate.[1]
See also
References
| WHO ICD-10 mental and behavioural disorders (F · 290–319) |
|---|
| Neurological/symptomatic | Dementia (Alzheimer's disease, multi-infarct dementia, Pick's disease, Creutzfeldt-Jakob disease, Huntington's disease, Parkinson's disease, AIDS dementia complex, Frontotemporal dementia) · Delirium · Post-concussion syndrome |
|---|
| Psychoactive substance | Intoxication (drunkenness) · Physical dependence (alcohol dependence, opioid dependency, cocaine dependence) · Withdrawal (benzodiazepine withdrawal, delirium tremens) · Amnesic: (Korsakoff's syndrome) |
|---|
| Psychotic disorder | Schizophrenia (disorganized schizophrenia) · Schizotypal personality disorder · Delusional disorder · Folie à deux · Schizoaffective disorder |
|---|
| Mood (affective) | Mania · Bipolar disorder · Clinical depression · Cyclothymia · Dysthymia |
|---|
Neurotic, stress-related
and somatoform | Agoraphobia · Anxiety disorder · Panic disorder · Generalized anxiety disorder · Social Anxiety Disorder · OCD · Acute stress reaction · PTSD · Adjustment disorder · Conversion disorder (Ganser syndrome) · Somatoform disorder · Somatization disorder · Neurasthenia |
|---|
Physiological/physical
behavioural | Eating disorder (anorexia nervosa, bulimia nervosa) · Sleep disorder (dyssomnia, insomnia, hypersomnia, parasomnia, night terror, nightmare) · Sexual dysfunction (erectile dysfunction, premature ejaculation, vaginismus, dyspareunia, hypersexuality) · Postpartum depression |
|---|
Adult personality
and behaviour | Personality disorder · Passive-aggressive behavior · Kleptomania · Trichotillomania · Voyeurism · Factitious disorder · Munchausen syndrome · Ego-dystonic sexual orientation |
|---|
| Mental retardation | Mental retardation |
|---|
Psychological development
(developmental disorder) | Specific: speech and language (expressive language disorder, aphasia, expressive aphasia, receptive aphasia, Landau-Kleffner syndrome, lisp) · Scholastic skills (dyslexia, dysgraphia, Gerstmann syndrome) · Motor function (developmental dyspraxia)
Pervasive: Autism · Rett syndrome · Asperger syndrome |
|---|
Behavioural and emotional,
childhood and adolescence onset | ADHD · Conduct disorder · Oppositional defiant disorder · Separation anxiety disorder · Selective mutism · Reactive attachment disorder · Tic disorder · Tourette syndrome · Speech (stuttering · cluttering) |
|---|
de:Lispeln
it:Sigmatismo
lt:Šveplavimas
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
