نتایج جستجو برای: brain behavioral systems
تعداد نتایج: 1741030 فیلتر نتایج به سال:
PURPOSE OF REVIEW This article reviews current work investigating the neural bases of autism spectrum disorder (ASD) within the discipline of electrophysiological brain research. The manuscript focuses primarily on advances in understanding related to social information processing and interconnectivity among brain systems in ASD. RECENT FINDINGS Recent research indicates anomalous function of...
A major question in systems neuroscience is how a single population of neurons can interact with the rest of the brain to orchestrate complex behavioral states. The hypothalamus contains many such discrete neuronal populations that individually regulate arousal, feeding, and drinking. For example, hypothalamic neurons that express hypocretin (Hcrt) neuropeptides can sense homeostatic and metabo...
Brain structure and function is characterized by large-scale brain systems. However, each system has its own "small-world" organization, with sub-regions, or "hubs," that have varying degrees of specialization for certain cognitive and behavioral processes. This article describes this small-world organization, and the concepts of functional specialization and functional integration are defined ...
Using mathematical behaviour models to determine system performance is crucial to the design of complex systems. Nevertheless, during the early stages of design, it is often difficult to create behavioural models as component solutions have not been fully identified. What is known is information about the desired functionality of the system is known. Particularly for complex system design, func...
Numerous studies have tackled the complex challenge of understanding the neural substrates of psychopathy, revealing that brain abnormalities exist on several levels and in several structures. As we discover more about complex neural networks, it becomes increasingly difficult to clarify how these systems interact with each other to produce the distinct pattern of behavioral and personality cha...
Due to the increase of their complexity, currently engineered systems cannot be developed by one individual, but are a product of a collaboration between multiple stakeholders who develop the system from different domain-specific views. Inconsistencies between views, however, hinder collaboration and therefore, must be managed. Since the encountered inconsistencies may potentially disappear as ...
in the 1960s, discovery of pleasure system (defined as reward system) in the brain that may underlie drug reward and addiction encouraged many scientists to investigate the mechanisms by which drug abuse affects central nervous system function. in this regard, investigators developed several drugs targeting the brain reward system for drug dependence therapy. however, no positive results obtain...
The brain is the key organ of the response to stress because it determines what is threatening and, therefore, potentially stressful, as well as the physiological and behavioral responses which can be either adaptive or damaging. Stress involves two-way communication between the brain and the cardiovascular, immune, and other systems via neural and endocrine mechanisms. Beyond the "flight-or-fi...
Initiating joint attention (IJA), the behavioral instigation of coordinated focus of 2 people on an object, emerges over the first 2 years of life and supports social-communicative functioning related to the healthy development of aspects of language, empathy, and theory of mind. Deficits in IJA provide strong early indicators for autism spectrum disorder, and therapies targeting joint attentio...
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