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Relationship Between Nature And Nurture

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Phelps and colleagues (1997) help define monozygotic (MZ) as one sperm fertilizing one egg and dizygotic (DZ) as two individual sperms fertilizing two separate eggs. This is important to understand because this paper will primarily focus on the studies surrounding the onset of schizophrenia in MZ twins. Twins are such a unique source to study and observe because they convey how much of a person’s personality is because of family environments and how much is from a person’s genetic make-up (Kato & Pederson, 2005). Most commonly referred to as the battle between nature and nurture. Most differences that appear between MZ twins are due to experiences that one twin will experience that the other twin will not (Kato & Pederson, 2005). Crawford and colleagues (2007) note that this is how types of attachment can easily be recorded. Attachment styles (Crawford et al., 2007) help understand how exactly social relationships in varying life domains are created, preserved and dismissed as adults. By identifying these forms of attachments in early childhood, mental health professionals can begin recognizing symptoms for schizophrenia (Heiden & Hafner, 2000). By using identical twins, we can further investigate whether a parent’s use of a secure or avoidant attachment will develop a specific personality trait within their child that can possibly lead to schizophrenia.
Understanding Schizophrenia Schizophrenia is a severe cognitive impairment that interferes with a person’s mental or

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