Trauma, especially complex childhood trauma from abuse, neglect, or inconsistent care, can trigger selfishness as a survival mechanism, forcing a focus inward when external safety is absent, leading to underdeveloped empathy, difficulty trusting, and hyper-vigilance, making someone seem self-centered or narcissistic to cope with unmet needs and a broken sense of self. Types of trauma include emotional/physical abuse, neglect, witnessing violence, or parental addiction, all disrupting healthy development and attachment, shifting focus from others to self-preservation.
What Causes Selfishness? According to mental health experts, selfishness stems from genetic predispositions and behavior learned during childhood development from family members. Mental health issues such as Narcissistic Personality Disorder, depression, and anxiety can lead to selfishness.
If we suffer the traumas of abuse, early social rejection, social isolation, or bullying, our capacity to engage in interdependence with a sense of safety and wholeness can be damaged. Disconnected and broken, we slip into self-centeredness. Being self-centered is costly.
Focusing on individual ACEs, in males, all maltreatment experiences were associated with narcissistic rivalry, with the exception of physical neglect, while in women only emotional maltreatment and emotional neglect were significant. Associations with household dysfunction were shown only in men.
Narcissistic personality disorder is a mental health condition in which people have an unreasonably high sense of their own importance. They need and seek too much attention and want people to admire them. People with this disorder may lack the ability to understand or care about the feelings of others.
Psychology. Lack of empathy has been seen as one of the roots of selfishness, extending as far as the cold manipulation of the psychopath.
Unhealed trauma often appears as chronic people-pleasing, relationship struggles, anxiety, self-destructive coping, or persistent shame and emptiness. Trauma rewires the hippocampus, amygdala, and prefrontal cortex, affecting memory, emotion regulation, decision-making, and social interactions.
Narcissistic traits often peak in late adolescence and early adulthood (around ages 14-23), particularly with grandiosity and entitlement, as individuals seek identity and status, but then tend to decline as people mature and face life's realities, though some individuals with NPD may see intensification in these years before a potential mellowing in middle age.
Based on some overlapping symptoms, borderline personality disorder (BPD) and narcissistic personality disorder (NPD) are two mental health disorders that are often mistaken for one another.
To protect themselves from the pain of past trauma, some individuals may develop defensive personality traits. These traits, such as emotional detachment, perfectionism, or aggression, act as protective shields to cope with the vulnerability they experienced during their traumatic past.
We demonstrate that narcissism in children is cultivated by parental overvaluation: parents believing their child to be more special and more entitled than others. In contrast, high self-esteem in children is cultivated by parental warmth: parents expressing affection and appreciation toward their child.
The "3 E's of Narcissism" refer to Entitlement, Exploitation, and Empathy (lack of), core characteristics often cited by experts like Dr. Supriya McKenna as red flags for Narcissistic Personality Disorder (NPD). These traits manifest as a strong sense of deserving special treatment, using others for personal gain, and a significant inability to understand or share others' feelings, creating dysfunctional relationships.
While some people may have awareness of wanting to be the center of attention and take the attention away from others, most people who do it probably don't realize that they are doing it or how their behaviors impact others, says Renteria.
Selfish people are often described as self-centered, insensitive, and manipulative. They tend to put their own needs and desires above those of others, disregarding the feelings and well-being of those around them.
Antisocial personality disorder, also called psychopathy, is one personality disorder that could cause people to be selfish. People with antisocial personality disorder have a diminished capacity for empathy.
6 Signs You Were Raised by a Narcissist
A narcissist's apology is usually fake, manipulative, and lacks genuine remorse, focusing on shifting blame, avoiding responsibility, and regaining control rather than acknowledging wrongdoing, often using phrases like "I'm sorry if you were offended" or "I'm sorry but you started it," leaving the recipient feeling worse and unheard. They lack empathy and accountability, using these "fauxpologies" to disarm criticism, preserve their ego, and quickly move past conflict to get what they want.
Of all the roles children play in the narcissistic family, the favored "golden" child is most likely to develop a narcissistic personality because of the toxic mix of enmeshment, neglect, and entitlement they experience.
Symptoms of unprocessed trauma frequently emerge as: Physical symptoms: heart palpitations, sweating, or shaking. Emotional symptoms: panic, feeling trapped or terrified. Psychological symptoms: avoidance of situations that trigger the trauma.
Eight common categories of childhood trauma, often called Adverse Childhood Experiences (ACEs) by the CDC and others, include physical/sexual/emotional abuse, neglect, domestic violence, household substance abuse, mental illness in the home, parental separation/divorce, or having a household member imprisoned, all of which significantly impact a child's development and long-term health. These traumatic events teach children that their world is unsafe, affecting their brains, bodies, and ability to form healthy relationships later in life, leading to issues like chronic stress, attachment problems, dissociation, and hypervigilance.
The 10 ACEs of childhood trauma are:
Anorexia Nervosa – Highest Mortality Rate of Any Mental Disorder: Why? While all eating disorders are dangerous mental health conditions, anorexia nervosa (AN) has the unfortunate distinction of being the deadliest eating disorder—and, by some accounts, the deadliest psychiatric disorder.
Symptoms - Borderline personality disorder
According to psychology, there are specific personality types that are notoriously difficult to live with. These can include the passive-aggressive communicator, the relentless critic, or the energy-draining pessimist. However, recognizing these traits is the first step toward managing the stress they cause.