Monomodal visual amnesia stands for the phrase “primary visual agnosia.” This condition is an uncommon neurological disease defined by the lack of ability to identify known objects or persons by sight, either in whole or partially. This happens without losing the capacity to perceive the item or individual. Also, the symptoms arise due to impairment in specific (primary) brain regions or associated with other illnesses (secondary).
TYPES
There are two categories for this condition:
Apperceptive agnosia- In this type, affected individuals have difficulty in identifying shapes, as well as telling apart which object is which. Also, they may fail to recognize an object when presented pictures of it taken from different angles.
Associative agnosia- In this type, individuals find it difficult to associate an object with their memory. While they may be able to accurately describe something or even draw its picture, they will be unable to tell what the object is or what it is used for.
SYMPTOMS
Monomodal visual amnesia may cause one or more visual deficits without impairing intellect, motivation, and attention. Vision nearly always stays unchanged and the mind clear. Some people who have this condition cannot identify known things. They can see but cannot recognize things at a glance.
Moreover, objects may be felt by sound, touch, and scent. For example, those afflicted may not have been able to identify a set of keys at a glance, but they may be able to find them while holding them.
DIAGNOSIS
To diagnose monomodal visual amnesia, your physician will take a thorough medical background check and inquire about your loss of memory. An interview may also be attended by a friend, family member, or guardian to help with the diagnosis.
Some of the common questions your doctor may ask are:
TREATMENT
Some treatments for monomodal visual amnesia are
Affected persons may undertake therapy or practice activities to relearn items essential for their daily lives. Rehabilitation and exercises may also be beneficial in restoring lost memories.
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