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What do you know about Prosopagnosia (face blindness disorder)?

 

The face blindness disorder

Can you recognize your sister's face when she changes her haircut? Can you recognize your friend when you pass by on the street? Will you recognize your dad when he changes his usual clothes and looks? Individuals who have face-blindness disorder will not. They usually recognize people by their haircuts, voices, or clothing and when this information is not available they fail to recognize people.

The face blindness disorder (Prosopagnosia)

What is Prosopagnosia (face blindness)?

It is also called (face recognition disorder) and it is a neurological disorder that causes weakness or inability to recognize faces, so the sufferer cannot distinguish the faces of people around him and depends on other methods that may not be effective at all times to identify and distinguish them, and sometimes so that he does not recognize his face The cause is not visual impairment, others find that the disability extends to the recognition of other stimuli, such as objects, cars, or animals, and it may be a deficit in other aspects of facial treatment (such as judging by age or gender) or recognizing some emotional expressions or following The direction the person's eyes are looking at.

What are the symptoms that may appear on the patient:

Some of them were extracted when asking 50 adults who suffer from this disease in questionnaires and interviews to find out the common symptoms between them, here are some of them:

Confusion between characters in movies, TV shows or plays.

Inability to identify people in photos (celebrities / family / friends / self).

Getting lost often in crowded places or in large gatherings (such as the playground, at the train station).

Difficulty recognizing people when in places where everyone shares physical characteristics (for example, wearing a uniform, same age, gender, race).

- Use general questions to identify a person’s identity when they are not recognized or on their other features.

Avoid using other people's names.

- Confusion when seeing people who are similar in their characteristics (hair, clothing, etc.), or when someone changes his own characteristics and thus is difficult to recognize.

What are the causes of face-blindness disorder:

Face blindness involves irregularities in the neural network involved in face recognition, and this condition is one of many disorders classified as visual necrosis, which affects the brain's processing of the incoming visual information, and a person suffers this disorder due to hereditary or acquired factors.

1- Genetic factors:

It is estimated that 2 percent of the population suffers from face blindness to some extent, according to a study by Dr. Duchenne published in Neuroscience in 2013 that most of them have a developmental form, which means that they were born with this condition, so genetic factors may play an important role in the infection. with it.

2- Learned Factors:

Duchenne says, "Face blindness acquired from brain damage due to a stroke, head trauma, or neurodegenerative diseases may arise, really. Neuroscientists haven't really understood much about how face recognition works in the brain yet."

Can affected children explain what is happening?

It is difficult for children with face blindness to understand and deal with it, as many adults with face blindness reported that for a long time they had no idea they had a deficit in facial treatment, unaware that others could distinguish people by their faces only. Very shy because of their inability to recognize faces, they may also find it difficult to make friends, as they may not recognize their peers. They are often friends with children who have very distinct and distinct features, and may have difficulties with academic achievement.

The sufferers develop compensatory mechanisms to deal with this disease and most importantly, act in social situations effectively. Unfortunately, some of them may avoid social interactions, and face problems in personal relationships, and this may cause harm in their professional and personal lives, and may reach cases of depression or social anxiety.

Prepare by Tala Hourani - Psychologist


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