A theory is a set of ideas that provide a framework. Based on this framework, questions can be asked about a particular phenomenon and information collected and interpreted about this phenomenon. A therapy is a treatment, often based on a theory about a disorder, that deals with the factors that cause the disorder according to the theory.There are different approaches for explaining psychological complaints. For example, when it comes to anxiety, the biological approach symptoms suggests that the symptoms can be caused by a genetic predisposition to anxiety. The psychological approach seeks the explanation in a person's beliefs, life experience and relationships. The sociocultural approach looks at the cultural values ​​or social environment of a person. These different approaches are often seen as incompatible. People seek either a biological explanation or a socio-cultural explanation. This is also called the nature-nurture debate : is the explanation in someone's nature, or in education (or environment).Although it is tempting to look for a single explanation, theoreticians often start from the biopsychosocial approach, which recognizes that it is often a combination of biological, psychological and socio-cultural factors. Vulnerability to a disorder can also lie with each of these factors and therefore does not always have to be genetic. Only vulnerability is not enough to develop a disorder, only when another trigger occurs (e.g. stress), the disorder could really develop.Treatments have also been developed for each approach. The biological approach mainly requires medication, from the psychological and sociocultural approach it usually concerns psychotherapy. Both types of treatment have proved effective and are often used together, in an integrated approach.Biological approachesThe famous story of Phineas Gage describes how this man, one day through an accident at work, received a thick iron rod through his skull and brain....