BLIND INDIVIDUALS EXHIBIT BETTER INFORMATION PROCESSING BY THE AUDITORY CORTEX: A COMPARATIVE CASE CONTROL STUDY
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2015, Vol 4, Issue 12
Abstract
[b]BACKGROUND[/b]: Totally blind individuals are often considered to be compensated for their visual loss by augmentation in the auditory and tactile perceptions as compared to normal subjects. The objective of the present work was to study the Middle Latency Auditory Evoked Potential (MLAEP) component of the Auditory Evoked Potentials (AEP) in the totally blind and the normal subjects. [b]METHODS:[/b] MLAEP was recorded in 20 totally blind females and compared with 20 age matched normal females. Latency and amplitude of the waveforms Na, Pa, Nb of MLAEP were measured and analyzed statistically using Student t test. [b]RESULTS[/b]: The latencies of all the waveforms were significantly reduced in the blind individuals compared to normal subjects. The amplitudes of the waveforms Na, Pa, Nb did not show any significant changes between the two groups. [b]CONCLUSION[/b]: The present study suggests that the totally blind individuals demonstrate remarkable neuroplastic changes and there is neuro physiological evidence of much better information processing in the auditory system in the totally blind compared to normal subjects.
Authors and Affiliations
Manjula P, Bharath T
Keywords
Related Articles
- EP ID EP153685
- DOI 10.14260/jemds/2015/277
- Views 79
- Downloads 0
PREDICTION OF NEONATAL JAUNDICE BY STUDY OF CORD BLOOD BILIRUBIN AND SERUM BILIRUBIN AT 24 HOURS OF LIFE
BACKGROUND Jaundice is yellowish discolouration of the skin, the mucous membranes or the eyes. It is caused by high levels of the chemical bilirubin in blood, a by-product of destruction of old red blood cells. A newborn...
CONE-BEAM COMPUTED TOMOGRAPHY IN ASSESSMENT OF REATTACHMENT OF CHISEL FRACTURE OF ANTERIOR TOOTH IN YOUNG PATIENT- A CASE REPORT
PRESENTATION OF CASE A 13 years old patient reported to department of conservative dentistry and endodontics, JSS dental college and hospital, Mysore, India with chief complaints of pain and broken upper front tooth foll...
PATTERN OF SUICIDAL DEATHS- A REVIEW OF AUTOPSY CASES IN 2015 AND 2016
BACKGROUND Suicide is high in societies that are socially isolated, mobile and disorganised. Differences exist in countries in the most common means of suicide depending on the availability of various methods. Different...
AN EVALUATION OF IMPACT ON QUALITY OF LIFE IN PATIENTS ON ANTIPSYCHOTIC THERAPY AT A TERTIARY CARE CENTRE
BACKGROUND Antipsychotic drugs utilisation is expanding step by step due to lifestyle changes and increased stress in day-to-day along with psychiatric disorders. Prevalence of Adverse Drug Reactions (ADRs) with antipsyc...
A STUDY OF PAIN AND DEPRESSION IN PATIENTS WITH RHEUMATOID ARTHRITIS
BACKGROUND Rheumatoid arthritis is a psychosomatic illness, in which psychological factors play a major role in disease process. Comorbid depression and physical pain are major contributing factors (Chandarna et al, 1 Co...