The Psychology of Self-Deception: Understanding the Causes and Effects

Also, Different Forms and Ways to Overcome It with Sources

Ayşe Kübra Kuyucu
Deep Talk with ChatGPT
4 min readFeb 23, 2023

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Photo by 愚木混株 cdd20 on Unsplash

Self-deception, also known as cognitive bias, is a phenomenon that affects us all. It involves the tendency to believe in things that are not true or to perceive things differently than they really are. Self-deception can be harmful, as it can lead to poor decision-making, lowered self-esteem, and even mental health issues. In this article, we will explore the causes and effects of self-deception, as well as ways to overcome it.

Types of Self-Deception

Self-deception can take many forms, including denial, rationalization, projection, and wishful thinking. Denial involves refusing to accept facts or evidence that contradict one’s beliefs or desires. Rationalization involves coming up with logical-sounding reasons to justify one’s behavior or beliefs. Projection involves attributing one’s own flaws or shortcomings to others. Wishful thinking involves believing in something because one wants it to be true, rather than because there is evidence to support it.

According to Dr. David Dunning, a psychologist and professor at the University of Michigan, self-deception is often the result of a lack of self-awareness. He says, “We’re all susceptible to self-deception, but some people are more susceptible than others. And the people who are most susceptible are those who lack self-awareness.”

Causes of Self-Deception

Self-deception can be caused by a variety of factors, including cognitive biases, emotional states, social pressures, and cultural norms. Cognitive biases are mental shortcuts that the brain uses to simplify complex information, but they can also lead to errors in judgment. Emotional states such as fear, anxiety, or desire can also cloud our judgment and lead us to deceive ourselves. Social pressures and cultural norms can also influence our beliefs and behaviors.

For example, in the book “Mistakes Were Made (But Not by Me): Why We Justify Foolish Beliefs, Bad Decisions, and Hurtful Acts,” authors Carol Tavris and Elliot Aronson write about the concept of “confirmation bias.” They explain, “People have a strong tendency to seek out and remember information that confirms their existing beliefs and to ignore or forget information that contradicts those beliefs.” This type of bias can lead to self-deception, as people may cling to their beliefs even when presented with evidence to the contrary.

Effects of Self-Deception

Self-deception can have both positive and negative effects. On the positive side, self-deception can help us cope with difficult situations and maintain our self-esteem. For example, believing that we are better than we really are can motivate us to work harder and achieve more. However, on the negative side, self-deception can lead to unrealistic expectations, poor decision-making, and relationship problems.

According to Dr. Tali Sharot, a cognitive neuroscientist and author of “The Influential Mind: What the Brain Reveals About Our Power to Change Others,” self-deception can also lead to a lack of empathy. She explains, “When people are highly self-deceptive, they have a tendency to be less empathetic towards others, because they don’t see their own flaws and they don’t see the flaws in others either.”

Ways to Overcome Self-Deception

Overcoming self-deception requires a willingness to examine our own beliefs and behaviors objectively. It involves acknowledging our biases and being open to new information and perspectives. It also requires developing critical thinking skills and learning to question our own assumptions. Seeking feedback from others can also help us gain a more accurate view of ourselves and our situations.

In the book “Thinking, Fast and Slow,” Nobel Prize-winning psychologist Daniel Kahneman writes about the importance of “slow thinking” in overcoming self-deception. Slow thinking involves taking the time to analyze information and make deliberate, reasoned judgments, rather than relying on automatic, unconscious processes.

Another strategy for overcoming self-deception is mindfulness. Mindfulness involves being fully present in the moment and paying attention to our thoughts, feelings, and physical sensations without judgment. By becoming more aware of our internal experiences, we can develop a clearer understanding of our own biases and beliefs.

Therapy can also be a helpful tool for overcoming self-deception. A therapist can provide an objective, outside perspective and help us identify and challenge our self-defeating patterns of thought and behavior.

In conclusion, self-deception is a common phenomenon that affects us all to some extent. It can be caused by a variety of factors, including cognitive biases, emotional states, social pressures, and cultural norms. While self-deception can have some positive effects, such as helping us cope with difficult situations, it can also have negative effects, such as poor decision-making and relationship problems. Overcoming self-deception requires a willingness to examine our own beliefs and behaviors objectively, develop critical thinking skills, and seek feedback from others. Mindfulness and therapy can also be helpful tools for overcoming self-deception. By learning to recognize and overcome our own biases, we can develop a clearer, more accurate view of ourselves and the world around us.

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