All You Need to Know About Agnosia

Agnosia is a Greek word which means ‘absence of knowledge’. This term was coined by ‘Sigmund Freud’ in 1891. Agnosia is a neurological disorder which is characterized by a loss of ability to recognize things. Here, the person is unable to perceive the objects, persons, places, shapes, sounds, and smells. The interesting fact is, all the senses are intact and there is no defect at all but due to some defect in the brain like- damage of occipitotemporal border, which may occur because of head injury, a person may lose these sensory abilities. But agnosia will affect only a single modality at a time, it’s either auditory, speech or vision. In this condition, a person who is affected by agnosia can interact with the world normally. There are different types of agnosia.

As per Ayurveda, this is a Tridoshaj Vyadhi with the predominance of Vata dosha which affects all the dhatus especially the majja dhatu of the brain.

What Causes Agnosia?

The exact cause of the disease is still unknown. But there are some probable causes that contribute agnosia are –

  • Any trauma to the parts of the brain that stores information and knowledge
  • Other diseases like – dementia, stroke, encephalitis, tumor and other neurological disorders
  • Genetic predisposition
  • Any history of developmental disorders

What are the Types of Agnosia?

This agnosia is broadly classified into three types, they are

  • Visual
  • Auditory
  • Tactile

1. Visual Agnosia

  • Visual agnosia is defined as an inability to recognize visual objects. Further classified into the main two categories they are – Apperceptive visual agnosia and associative visual agnosia.
  • In apperceptive visual agnosia is one in which a person is not able to see the object this happens due to damage to the posterior part of the right hemisphere (in the brain).
  • On the contrary, in associative visual agnosia, the person is able to perceive the thing but unable to name the thing or object. Usually, defects are observed in the left and right hemispheres at the occipitotemporal border.
  • Moreover, the apperceptive type is a failure to perceive and associative is the one where perception occurs, but the person is a failure to recognize the things.
  • There is one more type by the name – Prosopagnosia (face blindness) where the person could not recognize faces. So, individuals who have prosopagnosia find difficulty in recognizing friends, family members, relatives, etc.
  • Achromatopsia is a condition that can arise in due to visual agnosia where individual loss the ability to identify colors.

2. Auditory Agnosia

This type of agnosia person feels difficulty to distinguish voice and speech, even from the other environmental sounds. Further, it is of 2 types – Semantic (damage to the left hemisphere) and discriminative (lesion in the right hemisphere).

3. Tactile Agnosia

In this agnosia, the person is a failure to recognize things on the touch. Here, an individual can feel the weight of the object, but can’t recognize its use. This occurs due to lesions in the parietal lobe of the brain.


What are the Signs and Symptoms of Agnosia?

  • Inability to recognize people.
  • Unable to recognize objects, shapes, and colors.
  • Unable to identify the sound.


Diagnosis can be made through a variety of psychological tests, CT scan (Computed tomography) and MRI (Magnetic resonance imaging)

Herbal Treatment

There is no exact management strategy to deal with Agnosia but some organizations are really working hard in finding solutions of these rare diseases to evaluate the exact cause and provide a fruitful treatment for sufferers.

Ayurveda provides help in these rare diseases with the help of both effective ways like palliative care and Panchakarma. Here, with the help of Panchakarma, we can detoxify the whole body and rejuvenates the damaged areas. The therapies that are quite effective area – Basti (It will support the gut system in turns initiates the neurons), Shiro Basti and Shirodhara (both the therapies locally support the head region), Nasya, Karna Purana, Akshitarpana (these are effective and supportive therapies that are advised, as per involved lesions).

Planet Ayurveda offers really effective treatment in these rare neurological disorders with the help of natural herbs which are pure and free from side effects.

1. Amalaki Rasayan

Amalaki (Emblica Officinalis) is the best Rasayana that rejuvenates the whole body including our degenerated neurons. Amalaki is a rich source of antioxidants hence responsible for repairing the oxidative changes in the body.

Dosage: 1 capsule twice daily with plain water or milk, after meals.

2. Brahmi Capsules

These capsules are composed of pure extract of Brahmi (Bacopa monnieri) which is a medhya rasayana and enhances mental strength. It stimulates the production of neurotransmitters in our brain, which creates balance in the sensory and motor functions.

Dosage: 1 capsule twice daily with plain water or milk, after meals.

3. Ashwagandha Capsules

Ashwagandha is a generalized tonic that helps to improve the body as well as mental functions. It balances all the doshas, sharirik as well as mansik doshas. It helps to stabilize all the dhatus in our body.

Dosage: 1 capsule twice daily with plain water or milk, after meals.

4. Brahmi Ghrita

Brahmi ghrita contains brahmi, cow’s ghee, etc. They improve the functions of the brain cells hence, enhance memory, intellectual power, learning skills, retaining capacity and also improve recognition. It helps to pacify vitiated Tridoshas in the brain.

Dosage: ½ teaspoon twice daily by mixing in a glass of milk, after meals.

5. Anu Taila

Anu taila is composed of tila taila, musta, aja dugdha, shatavari, shalparni, bala, renuka, daru haridra, yashtimadhu, etc. They help to improve higher mental functions, memory, intellectual power and visual impairments.

Dosage: Instill 2 drops of anu taila in both the nostrils, advised in the early morning

Yoga and Meditation

In the case of reduced sensory functions, we need to take the help of Yoga and Meditation. These mental exercises aid healthy healing in all neurological and psychological disorders.


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Dr. Vikram Chauhan

Dr. Vikram Chauhan (MD - Ayurveda) is the CEO and Founder of Planet Ayurveda Pvt. Ltd. He is Author of the Book "Ayurveda – God’s Manual For Healing". He is an Ayurveda Expert Serving People worldwide through all the Possible Mediums, Operating from Main Branch in Mohali, India. With his Vast Experience in Herbs and their Applied Uses, he is successfully treating Numerous Patients suffering from Various Ailments with the help of Purest Herbal Supplements, Diet, and Lifestyle, according to the Principles of Ayurveda. For More Details, visit

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