Why Normal Isn’t What You Think It Is

"Normal" is one of those words that we don't really think about much when we use it (e.g., "normal reaction," "normal behavior," "normal person"). However, if you take the time to think about what "normal" means and how complicated the concept really is, things begin to get murky. Some people will tell you that in this fragmented, hyper-diverse world of today, no one is really "normal" any longer. This claim, while appealing in its critique of conformity, misunderstands how psychological and medical diagnoses work. It also risks erasing the very real, statistically grounded systems that help clinicians understand human differences, not by comparing people to some ideal, flawless standard, but by referencing real-world data from representative populations.

Normality Is Not Perfection

Assuming that "normal" equals "ideal" or "health" is a major misinterpretation of how people think every day. An example of the problem is how we picture all "normal people" as emotionally balanced, physically healthy, productive, socially skilled, and able to think clearly and with sound judgment. This view of the "normal person" is not only unrealistic, but terribly wrong. The idea that normal is some gold standard that everyone must reach and that those who do not achieve this gold standard are somehow maladaptive is entirely misguided.

In actuality, the sciences that study human activity, human health, and human cognition define normal in the statistical sense rather than the moral sense. The science of medical and mental health diagnosis will use large-scale population samples to define the statistical range of normal as it relates to a particular variable (age, sex, race, and sometimes geographic location and socioeconomic status), and they will use this statistical data to evaluate individual cases. The goal is not to find a perfectly "normal" human being and establish this as the standard by which you evaluate all humans. Rather, it is about observing how someone functions under specific circumstances and determining where each of these distinct experiences falls within or outside of those observed characteristics or standards of behavior. Therefore, the example of comparing the ability of a child who can read at a very high level to an adult who can read at an exceptionally high level is an inappropriate use of normal standards and should not be considered a standard for determining the level of a child's reading compared to the standards of other children in the same chronological age.

This method of determining whether someone is functioning normally within their environment is known as normative reference. This process relies on a statistical basis rather than an idealistic one. Therefore, when you say, "there is no such thing as normal anymore," you are misunderstanding the purpose of using normative definitions when defining normative behavior.

Normative definitions do not seek to be a set of rules for eliminating deviant behaviors from society; rather, they are intended to identify behaviors that are outside the norm and thus may warrant further evaluation, intervention, accommodation, etc. The label of depression as a diagnosis does not mean that one is "morally or ethically defective," but it does reflect that their feelings, thoughts, and behavior are outside the range of what is considered a norm for people in similar circumstances and cause them distress or impairment.

The Census-Matched Sample: How Diagnostics Work

Psychological and medical tools often use something called a census-matched sample. I have developed nearly a dozen psychological and neuropsychological tests using this method. This means that test norms are derived from groups of people who match the demographic composition of a larger population, such as the United States. These groups include individuals from various racial, economic, educational, and geographic backgrounds. This ensures that what's considered "normal" behavior or performance isn't skewed by the over-representation of any one group. Instead, it reflects the diversity of real people.

When we evaluate the cognitive functions or mental health conditions of an individual, we do not use a standardized, perfect brain or idealized brain as our baseline criteria. We use a vast range of other similarly matched individuals as comparators. In relation to achieving equity and inclusion, this is critical. For example, if a memory assessment tool was standardized on individuals of higher socioeconomic status who lived in urban areas and had formal education, applying it to someone from a rural area without formal education may lead to inaccurate results because the normative values do not reflect demographic differences.

Additionally, the development of normative values is an ongoing process to ensure they continue to represent changes in the population. Normality is not a constant but a continually changing dynamic. The definition of normality will change due to shifts in culture, technology, and public health-related concerns, and as those changes occur, how we define various forms of normality, such as behavior, response, and condition, will also change. For instance, behaviors once considered unusual, such as talking to oneself (now sometimes attributed to Bluetooth devices) or spending many hours online, may no longer be viewed as clinically significant deviations from the norm.

So when people claim that no one is normal, they may be reacting to how cultural standards have evolved. What was once considered "weird" or "unusual" may now be accepted, even common. But this evolution doesn't invalidate the idea of normality; it simply shows that norms shift alongside societies.

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Still, statistical normality has its own limits. It cannot and should not be the sole basis for moral or social judgment. Just because something is statistically rare does not make it wrong or disordered. LGBTQ+ identities, for example, may not be as statistically prevalent as heterosexuality, but that says nothing about their value, morality, or legitimacy. Similarly, being in the top or bottom percentile of intelligence doesn't make someone more or less worthy of dignity or rights.

In addition, it is important to be cautious and humble when using norm-referenced diagnostic systems. A person's culture can impact what would be considered a mental health concern; for example, an issue that is considered a mental health problem in one culture might be recognized as a spiritual issue, or treated in a different way, in another culture. Thus, cross-cultural psychiatry, the creation of inclusive diagnostic systems, and a critical examination of norm-referenced assessments are essential to determining whether the definition of "normal" reflects the preferences of only the dominant community rather than all communities.

In a funny twist, the same systems that use statistics to set norms are also helping protect people from being stigmatized. These systems are leading to less moral judgment and greater objectivity by creating diagnostic criteria based on population distributions rather than an idealized standard of perfection. If diagnostic norms are used ethically, they can provide much-needed support to people rather than labeling them "deviant" or "broken."

Ultimately, being "normal" is not a journey to reach some final destination, nor is it about fitting into a mold. It is an ever-changing, contextual statistical landscape. We all, in some way, deviate from what is considered the norm, be it in our moods, learning, behaviors, or physical characteristics. What is essential is not whether we hit some imaginary mark but whether those differences create suffering, impairment, or injustice.

So the next time someone says, "No one is normal anymore," perhaps the better response is: "No one ever was." That's not a flaw in the system. It's how the system understands humanity.