Implicit bias (sometimes referred to as cognitive bias) is both naturally occurring and subconscious. We all have implicit biases, which makes them particularly important to address and control in our pursuit of equality. Implicit bias results from a combination of nature and nurture, meaning it is an outcome of our biological makeup and our social environment - especially the context we were raised in.
In terms of biology, implicit bias is partly due to the workings of the brain. Human brains have the difficult task of coping with an incredible amount of information at every waking moment. Since our brains typically do such a great job of managing these different stimuli, we rarely give a second thought to just how much data our minds must deal with. The sheer volume and detail of everything we hear and see, on top of all the things we are constantly thinking and feeling (both emotionally and physically) is certainly remarkable. Yet, if our brains did not take shortcuts to process and categorize this information, the amount of data ingested would be completely unbearable.
By making generalizations through associations and assumptions, implicit bias allows us to manage daily life, which often requires us to make quick decisions. It helps us do all this without having to sift through massive amounts of information, thereby easing the burden placed on our brains and our minds.
Unfortunately, this same process that helps us make sense of the world also works unconsciously to make fast judgments about individual people and groups. Often, those who bear the brunt of these judgments are those who we perceive to be members of an out-group (often due to differences in race, gender, social class, and other socioeconomic factors).
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