Forensic neuropsychology in the context of mass shootings primarily focuses on understanding the psychological factors and neurocognitive processes that may have contributed to the shooter's actions.

The Wisconsin Card Sorting Test (WCST) is frequently used to assess executive functioning, including cognitive flexibility and problem-solving abilities, which may be impaired in mass shooters.

Negative bias refers to the tendency for individuals to pay more attention to and remember negative information compared to positive information.

The prefrontal cortex, particularly the ventromedial prefrontal cortex, plays a crucial role in emotional regulation and impulse control.

Impulsivity refers to the tendency to act without thinking, often resulting in rash or risky behaviors.

Dopamine is a neurotransmitter associated with reward processing, motivation, and pleasure.

Emotional lability refers to the rapid and intense shifts in emotional states, often in response to minor stressors.

The amygdala is a brain region involved in fear conditioning and the formation of emotional memories.

Compulsivity refers to the tendency to engage in repetitive behaviors or rituals in an attempt to reduce anxiety or distress.

Serotonin is a neurotransmitter associated with mood regulation, sleep, and appetite.

Hyperreactivity refers to the exaggerated emotional response to minor stressors or stimuli.

The prefrontal cortex, particularly the ventromedial prefrontal cortex, is involved in decision-making and moral reasoning.

Mood swings refer to sudden and unpredictable changes in emotional states, often without an apparent trigger.

Norepinephrine is a neurotransmitter associated with attention, arousal, and motivation.

Irritability refers to a state of increased sensitivity to minor stressors, often leading to feelings of anger or frustration.