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Evolution in the Treatment of Psychiatric Disorders: From Psychosurgery to Psychopharmacology to Neuromodulation.

ABSTRACT: The treatment of psychiatric patients presents significant challenges to the clinical community, and a multidisciplinary approach to diagnosis and management is essential to facilitate optimal care. In particular, the neurosurgical treatment of psychiatric disorders, or "psychosurgery," has held fascination throughout human history as a potential method of influencing behavior and consciousness. Early evidence of such procedures can be traced to prehistory, and interest flourished in the nineteenth and early twentieth century with greater insight into cerebral functional and anatomic localization. However, any discussion of psychosurgery invariably invokes controversy, as the widespread and indiscriminate use of the transorbital lobotomy in the mid-twentieth century resulted in profound ethical ramifications that persist to this day. The concurrent development of effective psychopharmacological treatments virtually eliminated the need and desire for psychosurgical procedures, and accordingly the research and practice of psychosurgery was dormant, but not forgotten. There has been a recent resurgence of interest for non-ablative therapies, due in part to modern advances in functional and structural neuroimaging and neuromodulation technology. In particular, deep brain stimulation is a promising treatment paradigm with the potential to modulate abnormal pathways and networks implicated in psychiatric disease states. Although there is enthusiasm regarding these recent advancements, it is important to reflect on the scientific, social, and ethical considerations of this controversial field.

SUBMITTER: Staudt MD

PROVIDER: S-EPMC6384258 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Evolution in the Treatment of Psychiatric Disorders: From Psychosurgery to Psychopharmacology to Neuromodulation.

Staudt Michael D MD Herring Eric Z EZ Gao Keming K Miller Jonathan P JP Sweet Jennifer A JA

Frontiers in neuroscience 20190215

The treatment of psychiatric patients presents significant challenges to the clinical community, and a multidisciplinary approach to diagnosis and management is essential to facilitate optimal care. In particular, the neurosurgical treatment of psychiatric disorders, or "psychosurgery," has held fascination throughout human history as a potential method of influencing behavior and consciousness. Early evidence of such procedures can be traced to prehistory, and interest flourished in the ninetee ...[more]

PMID: 30828289

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Project description:AimWorking memory (WM) deficit represents the most common cognitive impairment in psychiatric and neurodevelopmental disorders, making the identification of its neural substrates a crucial step towards the conceptualization of restorative interventions. We present a meta-analysis focusing on neural activations associated with the most commonly used task to measure WM, the N-back task, in patients with schizophrenia, depressive disorder, bipolar disorder, and attention-deficit/hyperactivity disorder. Showing qualitative similarities and differences in WM processing between patients and healthy controls, we propose possible targets for cognitive enhancement approaches.MethodsSelected studies, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, were analyzed through the activation likelihood estimate statistical framework, with subsequent generation of disorder-specific N-back activation maps.ResultsDespite similar WM deficits shared across all disorders, results highlighted different brain activation patterns for each disorder compared with healthy controls. In general, results showed brain activity in frontal, parietal, subcortical, and cerebellar regions; however, reduced engagement of specific nodes of the fronto-parietal network emerged in patients compared with healthy controls. In particular, neither bipolar nor depressive disorders showed detectable activations in the dorsolateral prefrontal cortices, while their parietal activation patterns were lateralized to the left and right hemispheres, respectively. On the other hand, patients with attention-deficit/hyperactivity disorder showed a lack of activation in the left parietal lobe, whereas patients with schizophrenia showed lower activity over the left prefrontal cortex.ConclusionThese results, together with biophysical modeling, were then used to discuss the design of future disorder-specific cognitive enhancement interventions based on noninvasive brain stimulation.

Project description:BackgroundPsychiatric disorders are common in patients with cancer. The impact of both psychiatric disorders and psychiatric treatment on mortality in patients with cancer needs to be established.Materials and methodsNationwide claims data were analyzed. To investigate the association between psychiatric disorders and mortality, 6,292 male and 4,455 female patients with cancer who did not have a record of psychiatric disorders before cancer onset were included. To examine the association between psychiatric treatment and mortality, 1,467 male and 1,364 female patients with cancer were included. Incident psychiatric disorder and receipt of psychiatric treatment within 30 days from the onset of a psychiatric disorder were the main independent variables. Dependent variables were all-cause and cancer-related mortality. Cox proportional hazards regression with time-dependent covariates was used.ResultsThe onset of psychiatric disorders was associated with a significantly increased risk of mortality in both male (all-cause hazard ratio [HR]: 1.55; cancer-related HR: 1.47) and female patients with cancer (all-cause HR: 1.50; cancer-related HR: 1.44) compared with patients with cancer without psychiatric disorders. Both male and female patients who received psychiatric treatment within 30 days of diagnosis of a psychiatric disorder had a lower risk of cancer-related mortality (males, HR: 0.73; females, HR: 0.71) compared with patients with cancer with psychiatric disorders who did not receive psychiatric treatment.ConclusionPatients with cancer with newly diagnosed psychiatric disorders had a higher mortality rate. Among these, those who received psychiatric treatment showed lower rates of mortality. Thus, early detection and early treatment of psychiatric disorders in patients with cancer is needed.Implications for practiceThe current study supplements the body of evidence supporting the association of psychiatric disorders onset and treatment with cancer outcomes. Patients with cancer showed an increased risk of both all-cause and cancer-related mortality upon psychiatric disorder onset. Among patients with newly diagnosed psychiatric disorders, those who received psychiatric treatment showed lower cancer-related mortality. Thus, raising awareness of both the risk of psychiatric disorders and the positive effects of psychiatric treatment on cancer outcomes is necessary among patients with cancer, caregivers, and oncologists. Furthermore, it is necessary to adopt a multidisciplinary approach, encouraging patients with cancer to undergo a neuropsychological assessment of their mental health status and receive appropriate and timely psychological interventions.

Dataset Information

Evolution in the Treatment of Psychiatric Disorders: From Psychosurgery to Psychopharmacology to Neuromodulation.

Publications

Evolution in the Treatment of Psychiatric Disorders: From Psychosurgery to Psychopharmacology to Neuromodulation.

Similar Datasets

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