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What is Agnosia?
Agnosia is a rare neurological disorder which causes the red ink of ability to recognize any intimate person , objective and sounds or the ability to comprehend the significance of any object or difficulty in processing sensory information , such as touch , good , and light even in the presence of integral weed . In Agnosis , learning ability wound develop due to neurological ill or brain wound primarily in the occipital , temporal , or parietal lobe of the ventral stem of the brain . Other than neurological unwellness , Agnosia can also lead from intellectual stroke , serious head injury , developmental disorders , or dementedness .
Types of Agnosia
There are dissimilar types of agnosia depending on the perception of visual modality , auditory , or touch skunk . The types of agnosia are as follows :
Symptoms of Agnosia
Symptoms of Agnosia usually vary depending on the posture and parts of different sensorial lobe of the brain which is damage :
Prevalence Rate of Agnosia
Agnosia is a very rare neurological disorder ; amongst those , the prevalence rate of visual or auditive agnosia is much higher than the tactile agnosia . It affects a big number of people all over the domain in a twelvemonth .
Prognosis of Agnosia
Agnosia can result in talks with the quality of life . Recovery process essentially varies as it is influence by the years of the patient role , the level of impairment , type and size of damage , location and chroma of the brain wound and finally , the effectualness of the treatment function . With the beginning of appropriate treatment and therapies , Agnosia patient shows recovery within the first 3 calendar month of time but to hit complete cure it can take 1 to 2 years .
Causes of Agnosia
Agnosia happens when the nous suffers from any kind oftraumaor impairment in certain signaling footpath that deals with receptive processing , storing selective information and knowledge . It also integrates memory with acknowledgement and perception . Brain lesion in the parietal , occipital , or secular lobe of the brain due to sudden head word traumas , strokes , or phrenitis , etc . result in agnosia . Other conditions that chair to agnosia include impairment or wrong of the brain lobe , atomic number 6 monoxide toxic condition , dementia , tumour , anoxia , abscess or pocket of pus , developmental disorders , familial or produce brain contagion , sudden recuperation from blindness , or reform-minded neurodegenerative disorders like Alzheimer disease .
Pathophysiology of Agnosia
The ranking temporal sulcus of the human brain is very much essential for the comprehension of spoken communication because this region is highly usable with the involvement of lexical port . evidence show that the presence of bilateral lesions principally in the superior temporal sulcus leads to Pure Word Deafness or Speech Agnosia . As the lexical port is touch on to phoneme or heavy undulation along with various morphological lineament in club to give meaningful words ; therefore , any sort of damage , brain injury , or neurological malady affects the superscript worldly sulcus of the brain and thereby give climb to several conformation neurolinguistic deficiencies or sensational perception disorders include Agnosia .
Risk Factors for Agnosia
The risk factors associated with Agnosia let in the pursual :
Complications of Agnosia
The probable complication relate to agnosia are mentioned in the following points :
How is Agnosia Diagnosed?
to name an individual for agnosia , it must be seen that the affected role has intact language ability , reception to stimulus , and news but is suffering from a personnel casualty of aesthesis . Moreover , the patient should only be experiencing sensory shortfall only in one of the sensory modalities .
Treatment for Agnosia
discussion of agnosia is basically supportive and symptomatic . In some cases , the cause of agnosia is do by through OR , exercise of antibiotics for cerebral abscess , certain mentality protein hydrolyzing drugs , such as Piracetam tablets , or actinotherapy for a brain tumor . Different types of speech or occupational therapies or rehabilitation can assist to reverse the effects of Agnosia . These therapeutic strategy include the following :
Can Agnosia be Prevented?
As such there are no preventive measures for agnosia . However , it can be restricted to a certain point through early detection of the disease associated with right aesculapian treatments and related to therapies . Also , the affected mortal can follow the below - mention dieting items so as to keep further tortuousness :
Agnosia can not be keep , but the condition can improve staggeringly with proper diagnosis and treatment depend on the extent of harm . care any agnosia patients take much attention and cautious attitude . For safety cause , agnosia patient role should always be accompanied with the contact details of their relatives or any sort of electronic locator machine attach to their clothing .
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