Search on: HEARING LOSS, CENTRAL 
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Descriptor English:   Hearing Loss, Central 
Descriptor Spanish:   Pérdida Auditiva Central 
Descriptor Portuguese:   Perda Auditiva Central 
Synonyms English:   Central Hearing Loss
Cortical Deafness
Deafness, Cortical  
Tree Number:   C09.218.458.341.887.432
C09.218.807.186.432
C10.228.140.068.432
C10.597.751.418.341.887.432
C23.888.592.763.393.341.887.432
Definition English:   Hearing loss due to disease of the AUDITORY PATHWAYS (in the CENTRAL NERVOUS SYSTEM) which originate in the COCHLEAR NUCLEI of the PONS and then ascend bilaterally to the MIDBRAIN, the THALAMUS, and then the AUDITORY CORTEX in the TEMPORAL LOBE. Bilateral lesions of the auditory pathways are usually required to cause central hearing loss. Cortical deafness refers to loss of hearing due to bilateral auditory cortex lesions. Unilateral BRAIN STEM lesions involving the cochlear nuclei may result in unilateral hearing loss. 
Indexing Annotation English:   coord IM with VESTIBULOCOCHLEAR NERVE DISEASES (IM) for hearing loss due to cochlear nerve dis
See Related English:   Vestibulocochlear Nerve Diseases
 
History Note English:   91(79); was see under HEARING LOSS, SENSORINEURAL 1979-90 
Allowable Qualifiers English:  
BL blood CF cerebrospinal fluid
CI chemically induced CL classification
CO complications CN congenital
DI diagnosis DG diagnostic imaging
DH diet therapy DT drug therapy
EC economics EM embryology
EN enzymology EP epidemiology
EH ethnology ET etiology
GE genetics HI history
IM immunology ME metabolism
MI microbiology MO mortality
NU nursing PS parasitology
PA pathology PP physiopathology
PC prevention & control PX psychology
RT radiotherapy RH rehabilitation
SU surgery TH therapy
UR urine VE veterinary
VI virology  
Record Number:   6465 
Unique Identifier:   D006313 

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