Logorrhea

Characteristics

Logorrhea is characterized by "rapid, uncontrollable, and incoherent speech". Occasionally, patients with logorrhea may produce speech with normal prosody and a slightly fast speech rate. Other related symptoms include the use of neologisms (new words without clear derivation, e.g. hipidomateous for hippopotamus), words that bear no apparent meaning, and, in some extreme cases, the creation of new words and morphosyntactic constructions. From the "stream of unchecked nonsense often under pressure and the lack of self-correction" that the patient may exhibit, and their circumlocution (the ability to talk around missing words) we may conclude that they are unaware of the grammatical errors they are making.

Examples of logorrhea

When a clinician said, "Tell me what you do with a comb", to a patient with mild Wernicke's aphasia, which produces the symptom of logorrhea, the patient responded:

In this case, the patient maintained proper grammar and did not exhibit any signs of neologisms. However, the patient did use an overabundance of speech in responding to the clinician, as most people would simply respond, "I use a comb to comb my hair."

In a more extreme version of logorrhea aphasia, a clinician asked a male patient, also with Wernicke's aphasia, what brought him to the hospital. The patient responded:

In this example, the patient's aphasia was much more severe. Not only was this a case of logorrhea, but this included neologisms (such as "taenz" for "stroke" and "regular time" for "regular bath") and a loss of proper sentence structure.

Causes

Logorrhea has been shown to be associated with traumatic brain injuries in the frontal lobe as well as with lesions in the thalamus and the ascending reticular inhibitory system and has been associated with aphasia. Logorrhea can also result from a variety of psychiatric and neurological disorders including tachypsychia, mania, hyperactivity, catatonia, ADHD and schizophrenia.

Aphasias

Logorrhea is often associated with Wernicke's and other aphasias. Aphasia refers to the neurological disruption of language that occurs as a consequence of brain dysfunction. A patient who truly has an aphasia cannot have been diagnosed with any other medical condition that may affect cognition. Logorrhea is a common symptom of Wernicke's aphasia, along with circumlocution, paraphasias, and neologisms. A patient with aphasia may present all of these symptoms at one time.

Treatment

Excessive talking may be a symptom of an underlying illness and should be addressed by a medical provider if combined with hyperactivity or symptoms of mental illness, such as hallucinations. Treatment of logorrhea depends on its underlying disorder, if any. Antipsychotics are often used, and lithium is a common supplement given to manic patients. For patients with lesions of the brain, attempting to correct their errors may upset and anger the patients, since the language center of their brain may not be able to process that what they are saying is incorrect and wordy.

References

References

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