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How can a traumatic brain injury change your personality?

On Behalf of | Jan 26, 2024 | Personal Injury |

A traumatic brain injury, otherwise known as a TBI, is a life-altering event that extends beyond the physical realm. It can reshape the very core of a person’s identity.

One of the most striking transformations post-TBI is the profound alteration in personality.

Unpredictable nature

Personality, once believed to be relatively stable, can undergo a shift after a traumatic brain injury. The extent and nature of these changes are often unpredictable, making it hard to adapt.

A once outgoing and cheerful individual may become withdrawn and irritable, or the exact opposite could happen. The unpredictability of these changes adds an extra layer of complexity to the already challenging rehabilitation process.

Cognitive impairments and emotional dysregulation

TBIs often result in cognitive impairments that contribute to altered personalities. Memory deficits, impaired judgment and difficulties in processing information can all contribute to changes in behavior.

Emotional dysregulation, another common consequence of TBI, amplifies these alterations. Individuals may struggle to control their emotional responses, leading to mood swings and heightened emotional sensitivity.

Strained relationships and isolation

Loved ones may find themselves grappling with a stranger in the guise of their dear one. Misunderstandings and frustration start to leak into communication. Social isolation often follows. The individual with TBI may withdraw due to the challenges of navigating social interactions with their transformed self.

223,050 traumatic brain injuries that did not result in death led to hospitalizations in America in 2018 alone. The impact of this issue on personality is a profound testament to the connection between the brain and sense of self.


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