The Brain Science of Self-Deception

Understanding the Limits of Self-Awareness

Louis Cozolino

It’s commonly suggested that depression results from seeing reality too clearly. Repression, denial, and humor grease the social wheels and lead us to put a positive spin on the behavior of those around us.

This may be why humans have so few networks dedicated to self-insight and so many ways of distorting reality in their favor. It’s a reflex of the social brain to attend to the mote in our brother’s eye and not to the beam in our own.

Take mirror neurons, for example. Mirror neurons are neurons in the premotor regions of our frontal lobe that fire when we observe someone engaging in a specific behavior. Some mirror neurons are so specific that they fire only when an object is grasped at certain angles by particular fingers.

Mirror neurons link observations and actions, allowing us to:

  • Learn from others by watching them

  • Anticipate and predict others’ actions and

  • Activate emotional states supportive of emotional resonance and empathy


All three of these functions support group cohesion and the spread of culture, but do little to foster introspection.

Based on our neural architecture and everyday human behavior, self-awareness and personal insight don’t appear to have exerted a strong pressure on natural selection. In fact, self-awareness may have been selected against, because it can lead to hesitation, self-doubt, and demoralization.

Self-deception increases the likelihood of successfully deceiving others. If we believe our own confabulations, our unconscious brain is less likely to give away our real thoughts and intentions via nonverbal signs and behaviors.

Because we have these built-in information-processing biases, the most naïve observer can see things about us that we may be blind to ourselves. In psychotherapy, we provide our clients not only with interpretations, clarifications, and reflections, but also with an alternative perspective (our own), which they can utilize to help discover themselves.

Topic: Aging | Anxiety/Depression

Tags: brain science | add | frontal lobe | Louis Cozolino | mirror neuron | Mirror Neurons | neuroscience | psychotherapy | Unconscious brain

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1 Comment

Thursday, May 8, 2014 2:56:45 PM | posted by brucel2
Brilliant observations happen within the spectrum of simplicity.