Cognitive biases are unconscious errors in thinking that arise from problems related to memory, attention, and other mental mistakes. Related to this idea are heuristics, which are mental shortcuts that facilitate problem-solving and probability judgements. Our brain can only handle so much information, so these cognitive shortcuts help us avoid information overload. However, this can often lead us into making irrational decisions or judgements due to the fact that we are often easily influenced by subconscious factors that are a result of our life experiences, preferences, and beliefs. You may see these biases referred to as “cognitive distortions” when they result in irrational or problematic thinking and behavior.
There are many cognitive biases, and they can be generally divided into these 4 groups: