Traumatic Brain Injury Essay - 1983 Words

Traumatic brain injury (TBI) is a major health problem in industrialized societies. Associations between TBI and neuropsychiatric disorders have been recognized for many years. Impulsive aggression is one of the most socially and vocationally disruptive consequences of these neuropsychiatric disorders (Tateno, 2003). Aggressions can be broadly divided in to two types: Reactive/ Impulsive aggression (RA) refers to aggression that is impulsive, emotionally charged, affective and uncontrolled. It has its theoretical roots in the frustration-tolerance theory. It is most often observed in response to a perceived threatening stimulus and is frequently accompanied by negative affect, facial expressions described as hostile, temper tantrums,†¦show more content†¦Numerous studies have documented that displays of anger are common in the traumatic brain injury population. Anger can be defined as hostile thoughts and feelings, whereas aggression captures violent behaviours. A study by Tateno et al. (2003) found that over 33% of individuals with a traumatic brain injury (TBI) demonstrated aggressive behaviours. In light of the prevalence of anger in the TBI population, it is surprising that there has been a paucity of research exploring the component pre-morbid and comorbid factors in patients with i ncreased anger following a TBI. From neurobiological point of view, Impulsive aggression is seen as a consequence of a failure in the regulation of negative emotions, such as anger, for example. This thinking of Disinhibition and hostility was found and documented by Grafman et al. (1996) in TBI patients with frontal lobe damage involving subcortical limbic structures. According to Davidson et al (2000), threatening environmental stimuli are transmitted to the amygdala, which makes projections to the basal ganglia, where they are integrated with information of the social context that comes from the orbitofrontal cortex. Appropriate behavioral responses can, therefore, be initiated through projections toward other cortical regions, hypothalamus or brain stem. Consequently, the orbitofrontal cortex and adjacent areas such as the dorsolateral prefrontalShow MoreRelatedA Traumatic Brain Injury 1708 Words   |  7 PagesA traumatic brain injury (â€Å"TBI†) occurs when the brain is somehow injured, rattled, or w ounded from an external source of force. The means of acquisition and the severity of TBIs are unique to each patient; therefore, symptoms and rehabilitation can vary greatly depending on the patient’s condition following the incident and how they sustained the injury. The severity of a TBI is generally classified into one of three categories: mild, moderate, or severe, and this type of diagnostic criteria influencesRead MoreTraumatic Brain Injuries772 Words   |  4 PagesEffects may be long term or short term, depending on the gravity of the incident. 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