Listening to Paraphasia in TCM diagnosis
Delirium:
Delirium means raving with high and sonorous voice in coma. Such a morbid condition pertains to sthenia syndrome due to heat disturbing the mind seen in invasion of pathogenic factors into the pericardium in seasonal febrile disease or sthenia syndrome of yangming full organ.

Fading murmuring:
Fading murmuring is marked by unconsciousness, repeated and incoherent murmuring in a low voice. It is caused by excessive consumption of heart qi and is an asthenia syndrome of mental derangement, usually seen in patients with chronic and prolonged diseases.
 
Soliloquy:
Soliloquy is marked by mental depression, talking to oneself, murmuring and incoherent speech, usually caused by coagulation of phlegm confusing the mind or by severe impairment of heart qi. Such a morbid condition is usually seen in epilepsy.

Raving:
Raving is marked by manic movement, shouting and sonorous voice usually due to phlegm fire attacking the heart.

Paraphasia:
Paraphasia means that the patient speaks nonsense in consciousness and is aware of it afterwards. Such a morbid state is often due to insufficiency of heart qi and malnutrition of the spirit. Such a morbid condition is often seen among patients with chronic disease or of the aged.

Slurred speech:
Slurred speech is marked by unclear and slow expression without fluency, usually seen in wind stroke or sequela of wind stroke. It is due to obstruction of the collaterals by wind-phlegm and malnutrition of the tongue musculature and vessels, which make the tongue inflexible. Slurred speech at the advanced stage of febrile disease is due to heat consuming yin and malnutrition of the tongue.