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      Sense of agency in the human brain

      Nature Reviews Neuroscience
      Springer Nature

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          Abstract

          The experience of controlling our own actions is an important feature of human mental life. The processes giving rise to this experience are thought to be disrupted in some psychiatric disorders. In this article, Haggard describes recent developments in our understanding of the cognitive processes and neural mechanisms underlying the sense of agency.

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          Most cited references66

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          Learned helplessness in humans: critique and reformulation.

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            The adolescent brain.

            Adolescence is a developmental period characterized by suboptimal decisions and actions that are associated with an increased incidence of unintentional injuries, violence, substance abuse, unintended pregnancy, and sexually transmitted diseases. Traditional neurobiological and cognitive explanations for adolescent behavior have failed to account for the nonlinear changes in behavior observed during adolescence, relative to both childhood and adulthood. This review provides a biologically plausible model of the neural mechanisms underlying these nonlinear changes in behavior. We provide evidence from recent human brain imaging and animal studies that there is a heightened responsiveness to incentives and socioemotional contexts during this time, when impulse control is still relatively immature. These findings suggest differential development of bottom-up limbic systems, implicated in incentive and emotional processing, to top-down control systems during adolescence as compared to childhood and adulthood. This developmental pattern may be exacerbated in those adolescents prone to emotional reactivity, increasing the likelihood of poor outcomes.
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              Central cancellation of self-produced tickle sensation.

              A self-produced tactile stimulus is perceived as less ticklish than the same stimulus generated externally. We used fMRI to examine neural responses when subjects experienced a tactile stimulus that was either self-produced or externally produced. More activity was found in somatosensory cortex when the stimulus was externally produced. In the cerebellum, less activity was associated with a movement that generated a tactile stimulus than with a movement that did not. This difference suggests that the cerebellum is involved in predicting the specific sensory consequences of movements, providing the signal that is used to cancel the sensory response to self-generated stimulation.
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                Author and article information

                Journal
                Nature Reviews Neuroscience
                Nat Rev Neurosci
                Springer Nature
                1471-003X
                1471-0048
                March 2 2017
                March 2 2017
                :
                :
                Article
                10.1038/nrn.2017.14
                28251993
                71436552-f3b0-4815-8436-8461267d5d83
                © 2017
                History

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