For the mental sciences – Psychiatry, Psychology, and Psychoanalysis – the presence of «common sense» or «sense of reality» is a fundamental part of mental health diagnosis: the opposite of «common sense» is madness, that is, the «distorted perception of reality.»
Notes on «common sense» in the semiology of «perception and sense of reality». Author, Jorge Auristondo Vilches.
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The relationship between «common sense» and Schizophrenia is complex and has been the subject of study in psychopathology since the origin of mental science. The lack or loss of «common sense» is a principal symptom in the diagnosis of Schizophrenia.
Already, doctors and philosophers of the Roman Empire had noticed the behavioral alterations in certain individuals, which led to the popularization of a saying that has become universal until today: «Common sense is the least common of the senses! – ‘Sensus communis sensuum minime communis est'».
Schizophrenia is a mental disorder that can profoundly affect and distort a person’s «perception or sense of reality,» including their ability to apply «common sense» in everyday life.
In Schizophrenia, symptoms such as delusions or hallucinations can distort the individual’s experience and interpretation of what is commonly accepted as real or reasonable. This can lead to behaviors or beliefs that significantly deviate from what would be considered «common sense» within their culture or society.
Moreover, Schizophrenia can involve hyper-reflexivity and a diminished sense of self, which can alter the way a person with this diagnosis interacts with the world and processes information. This can result in difficulties navigating social situations or making decisions based on what is generally accepted as «common sense.»
Phenomenology, an approach in psychopathology, suggests that Schizophrenia can be seen as a «disorder of ipseity,» or the «sense of self,» affecting a person’s awareness of themselves and their relationship with the world. This can manifest as an intensified awareness of normally implicit or pre-reflexive aspects and an alteration in perceptual articulation with the world, which can impact the ability to apply «common sense.»
It is important to note that each individual is unique, and the way Schizophrenia affects «common sense» can vary widely from one person to another. Treatments and therapies are designed to help people with Schizophrenia manage their symptoms and improve their functioning in society, which may include developing skills to better apply «common sense» in their daily lives.
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