Experts Caution Against Drawing Conclusions On Brain Injury Evidence

Police tape cordons off the road to Schemengees Bar and Grille as law enforcement officers maintain their presence in the aftermath of a mass shooting by Army reservist Robert Card in Lewiston,

Recently released information regarding evidence of a brain injury in an Army reservist responsible for a mass shooting in Maine has prompted caution from brain injury experts. Boston University researchers conducted an analysis of Robert Card's brain tissue, revealing signs of traumatic brain injury. The examination indicated degeneration in nerve fibers, inflammation, and small blood vessel injury.

Card, who had served as an instructor at an Army hand grenade training range, may have been exposed to repeated low-level blasts. However, it remains unclear whether this exposure caused his brain injury and what impact it had on his mental health leading up to the tragic incident on October 25 in Lewiston.

While the researchers did not directly link the brain injury to Card's violent actions, they suggested that brain injury likely played a role in his symptoms. Neurologists caution that traumatic brain injury manifests differently in individuals and that connectivity damage, as described in Card's case, can have various causes beyond blast exposure.

Experts emphasize that traumatic brain injury can result in a range of symptoms, including headaches, mood changes, memory loss, and sleep issues. Research has shown that repeated exposure to even low-level blasts can lead to brain changes, prompting the Department of Defense to actively study the issue and develop new guidelines.

Degeneration in nerve fibers, inflammation, and small blood vessel injury were observed.

Robert Card's brain tissue analysis revealed signs of traumatic brain injury.

Card's exposure to low-level blasts during Army training raised concerns about brain injury.

The Army, in response to the findings, expressed concern and reiterated its commitment to protecting soldiers against blast-induced injuries. Plans are underway to update risk mitigation guidance, launch a public safety campaign, and enhance documentation and tracking of exposed personnel.

Family members of Card, in their first public statement since the shooting, extended apologies to the victims and survivors, expressing deep sorrow over the tragedy. They released the brain study findings with the hope of contributing to efforts aimed at preventing similar incidents in the future.

The case underscores the complex relationship between brain injuries and psychological conditions, highlighting the need for continued research and vigilance in addressing the impact of such injuries on individuals' behavior and well-being.