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These rapid evolutionary changes, in some cases, may impede normal development within the social brain. [14] [15] As schizophrenia is foremost a disorder of the consciousness, it has been suggested that schizophrenia exists as an unwanted byproduct of the evolution of the prefrontal cortex and other brain regions constituting the social brain. [13]
Instead of viewing schizophrenia as a by-product of brain evolution, one model presents schizophrenia to be one extreme of a sexually selected fitness indicator. [26] This model hypothesizes schizophrenia to be a side effect in sexual selection for certain traits. Sexual selection concerns the mating choices of humans and other animals.
The question of how schizophrenia could be primarily genetically influenced, given that people with schizophrenia have lower fertility rates, is a paradox. It is expected that genetic variants that increase the risk of schizophrenia would be selected against, due to their negative effects on reproductive fitness .
Social neuroscience is an interdisciplinary field devoted to understanding the relationship between social experiences and biological systems.Humans are fundamentally a social species, and studies indicate that various social influences, including life events, poverty, unemployment and loneliness can influence health related biomarkers.
This meta-analysis showed significant and stable deficit of theory of mind in people with schizophrenia. They performed poorly on false-belief tasks, which test the ability to understand that others can hold false beliefs about events in the world, and also on intention-inference tasks, which assess the ability to infer a character's intention ...
People with schizophrenia can have a job or actually speak to people or can do things themselves," said Hammer. Schizophrenia is a brain disease and patients' symptoms run a spectrum ...
When people focus on things in a social context, the medial prefrontal cortex and precuneus areas of the brain are activated; however, when people focus on a non-social context there is no activation of these areas. Straube et al. hypothesized that the areas of the brain involved in mental processes were mainly responsible for social cue ...
Research has shown that the evolution of the human brain is closely tied to the development of social cognition. The prefrontal cortex, a region of the brain involved in higher-level cognitive processes such as decision-making and social behavior, has undergone significant expansion in humans compared to other primates. [41]
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related to: brains of people with schizophrenia definition sociology