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Causes of Damage to the Frontal Lobe

The Frontal lobes are the centers of emotional control in the body. Damage to these lobes can cause serious effects on the peroson sustaining injury. Because of their location, damage to the frontal lobes is the most common type of damage to the brain. Some people believe that a great deal of the language oriented skills are located in the laeft most area of the frontal lobes and the right plays a role in nonverbal abilities. This is not totally the truth but appears to be correct in a great deal of brain injury cases.

People with brain damage to the frontal lobes may experience aphasia. This is called dynamic aphasia, there is no anomia associated with this type of aphasia and little problem with preserved moter speach. the problem in these people is that their active speach is disturbed severely. They have trouble in forming sentances correctly when speaking verbally. They may have trouble understanding or speaking. They may also end up speaking far more than usual and saying little that would have meaning. Facial movements also occure less often in patients with brain damage.

Common effects of frontal lobe damage include difficulty in understanding one's outside environment. This can cause less compliance with rules, slow learning, planning ahead, lack of drive, and risk taking behaviors. With this and other such effects the recipiants appear to be inactive, this is enhances when the patient is experiencing aphasia or emotional blunting. Along with these differences there are also differences in emotional and sexual response. People suffering from frontal lobe damage tend to forget often, they have a great deal of trouble with their concentrating enough to keep something in memory. People with frontal lobe damage tend to think in a concrete manner, they have trouble understanding hidden meanings and have a great deal of trouble changeing their line of thought. Depending on where the damage had occured, it can cause either an increase or a decrease in emotional or sexual responses. Another emotional resoponse is an empty euphoric effect. In this situation the patient can get unusually aggressive and tends to use puns a lot.

Three major Frontal Lobe syndromes.

Frontal convexity syndrome:

With Frontal convexity syndrome the patient is prone to many agressive outbusts that are short in nature. This is also accompanied with feelings of indifference. In the emotional standpoint there is a "loss of self". Physically there is a retardation in psychomotor abilities as well as moter preservation and impersistence. These motor distrubances effect speach as well.

Orbitofrontal Syndrome:

People with this syndrome are very easy to distract. They have very little concentration and are prone to impulsive behavior (This behavior is called pseudopsychopathic behavior). Emotionally these people are empty displaying inappropriate affect and sometimes experienceing euphoria.

Medial frontal syndrome:

People having this syndrome are known to perform many spontaneous movements and gestures. Sparce verbal output is sometimes recognized in these patients, but their is also the possibility of retaining repetion. This condition is also met with less feeling in the lower extremities. Finally Incontinence is observed.