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Cognitive neuroscience is the scientific field that is concerned with the study of the biological processes and aspects that underlie cognition, with a specific focus on the neural connections in the brain which are involved in mental processes. It addresses the questions of how cognitive activities are affected or controlled by neural circuits in the brain. Cognitive neuroscience is a branch of both neuroscience and psychology, overlapping with disciplines such as behavioral neuroscience, cognitive psychology, physiological psychology and affective neuroscience. Cognitive neuroscience relies upon theories in cognitive science coupled with evidence from neurobiology, and computational modeling.
Neurocognitive functions are cognitive functions closely linked to the function of particular areas, neural pathways, or cortical networks in the brain, ultimately served by the substrate of the brain's neurological matrix. Therefore, their understanding is closely linked to the practice of neuropsychology and cognitive neuroscience, two disciplines that broadly seek to understand how the structure and function of the brain relate to cognition and behaviour.
The following outline is provided as an overview of and topical guide to neuroscience:
Rehabilitation of sensory and cognitive function typically involves methods for retraining neural pathways or training new neural pathways to regain or improve neurocognitive functioning that have been diminished by disease or trauma. The main objective outcome for rehabilitation is to assist in regaining physical abilities and improving performance. Three common neuropsychological problems treatable with rehabilitation are attention deficit/hyperactivity disorder (ADHD), concussion, and spinal cord injury. Rehabilitation research and practices are a fertile area for clinical neuropsychologists, rehabilitation psychologists, and others.
Neuroplasticity, also known as neural plasticity, or brain plasticity, is the ability of neural networks in the brain to change through growth and reorganization. It is when the brain is rewired to function in some way that differs from how it previously functioned. These changes range from individual neuron pathways making new connections, to systematic adjustments like cortical remapping. Examples of neuroplasticity include circuit and network changes that result from learning a new ability, environmental influences, practice, and psychological stress.
Transcortical motor aphasia (TMoA), also known as commissural dysphasia or white matter dysphasia, results from damage in the anterior superior frontal lobe of the language-dominant hemisphere. This damage is typically due to cerebrovascular accident (CVA). TMoA is generally characterized by reduced speech output, which is a result of dysfunction of the affected region of the brain. The left hemisphere is usually responsible for performing language functions, although left-handed individuals have been shown to perform language functions using either their left or right hemisphere depending on the individual. The anterior frontal lobes of the language-dominant hemisphere are essential for initiating and maintaining speech. Because of this, individuals with TMoA often present with difficulty in speech maintenance and initiation.
Neuroergonomics is the application of neuroscience to ergonomics. Traditional ergonomic studies rely predominantly on psychological explanations to address human factors issues such as: work performance, operational safety, and workplace-related risks. Neuroergonomics, in contrast, addresses the biological substrates of ergonomic concerns, with an emphasis on the role of the human nervous system.
Neuroanthropology is the study of the relationship between culture and the brain. This field of study emerged from a 2008 conference of the American Anthropological Association. It is based on the premise that lived experience leaves identifiable patterns in brain structure, which then feed back into cultural expression.The exact mechanisms are so far ill defined and remain speculative.
Laura-Ann Petitto is a cognitive neuroscientist and a developmental cognitive neuroscientist known for her research and scientific discoveries involving the language capacity of chimpanzees, the biological bases of language in humans, especially early language acquisition, early reading, and bilingualism, bilingual reading, and the bilingual brain. Significant scientific discoveries include the existence of linguistic babbling on the hands of deaf babies and the equivalent neural processing of signed and spoken languages in the human brain. She is recognized for her contributions to the creation of the new scientific discipline, called educational neuroscience. Petitto chaired a new undergraduate department at Dartmouth College, called "Educational Neuroscience and Human Development" (2002-2007), and was a Co-Principal Investigator in the National Science Foundation and Dartmouth's Science of Learning Center, called the "Center for Cognitive and Educational Neuroscience" (2004-2007). At Gallaudet University (2011–present), Petitto led a team in the creation of the first PhD in Educational Neuroscience program in the United States. Petitto is the Co-Principal Investigator as well as Science Director of the National Science Foundation and Gallaudet University’s Science of Learning Center, called the "Visual Language and Visual Learning Center (VL2)". Petitto is also founder and Scientific Director of the Brain and Language Laboratory for Neuroimaging (“BL2”) at Gallaudet University.
Motor imagery is a mental process by which an individual rehearses or simulates a given action. It is widely used in sport training as mental practice of action, neurological rehabilitation, and has also been employed as a research paradigm in cognitive neuroscience and cognitive psychology to investigate the content and the structure of covert processes that precede the execution of action. In some medical, musical, and athletic contexts, when paired with physical rehearsal, mental rehearsal can be as effective as pure physical rehearsal (practice) of an action.
Some of the research that is conducted in the field of psychology is more "fundamental" than the research conducted in the applied psychological disciplines, and does not necessarily have a direct application. The subdisciplines within psychology that can be thought to reflect a basic-science orientation include biological psychology, cognitive psychology, neuropsychology, and so on. Research in these subdisciplines is characterized by methodological rigor. The concern of psychology as a basic science is in understanding the laws and processes that underlie behavior, cognition, and emotion. Psychology as a basic science provides a foundation for applied psychology. Applied psychology, by contrast, involves the application of psychological principles and theories yielded up by the basic psychological sciences; these applications are aimed at overcoming problems or promoting well-being in areas such as mental and physical health and education.
Guided imagery is a mind-body intervention by which a trained practitioner or teacher helps a participant or patient to evoke and generate mental images that simulate or recreate the sensory perception of sights, sounds, tastes, smells, movements, and images associated with touch, such as texture, temperature, and pressure, as well as imaginative or mental content that the participant or patient experiences as defying conventional sensory categories, and that may precipitate strong emotions or feelings in the absence of the stimuli to which correlating sensory receptors are receptive.
Cultural neuroscience is a field of research that focuses on the interrelation between a human's cultural environment and neurobiological systems. The field particularly incorporates ideas and perspectives from related domains like anthropology, psychology, and cognitive neuroscience to study sociocultural influences on human behaviors. Such impacts on behavior are often measured using various neuroimaging methods, through which cross-cultural variability in neural activity can be examined.
Mark A. Gluck is a professor of neuroscience at Rutgers–Newark in New Jersey, director of the Rutgers Memory Disorders Project, and publisher of the public health newsletter, Memory Loss and the Brain. He works at the interface between neuroscience, psychology, and computer science, studying the neural bases of learning and memory. He is the co-author of Gateway to Memory: An Introduction to Neural Network Models of the Hippocampus and an undergraduate textbook Learning and Memory: From Brain to Behavior.
The neurobiological effects of physical exercise are numerous and involve a wide range of interrelated effects on brain structure, brain function, and cognition. A large body of research in humans has demonstrated that consistent aerobic exercise induces persistent improvements in certain cognitive functions, healthy alterations in gene expression in the brain, and beneficial forms of neuroplasticity and behavioral plasticity; some of these long-term effects include: increased neuron growth, increased neurological activity, improved stress coping, enhanced cognitive control of behavior, improved declarative, spatial, and working memory, and structural and functional improvements in brain structures and pathways associated with cognitive control and memory. The effects of exercise on cognition have important implications for improving academic performance in children and college students, improving adult productivity, preserving cognitive function in old age, preventing or treating certain neurological disorders, and improving overall quality of life.
Claus Lamm is a Professor of Biological Psychology and the head of the Social, Cognitive and Affective Neuroscience Unit at the Faculty of Psychology of the University of Vienna. His research focuses on the psychological and biological mechanisms underlying social cognition, affect, and behavior. His main research interest are the neural underpinnings of empathy, to whose understanding he has made pioneering contributions.
Social cognitive neuroscience is the scientific study of the biological processes underpinning social cognition. Specifically, it uses the tools of neuroscience to study "the mental mechanisms that create, frame, regulate, and respond to our experience of the social world". Social cognitive neuroscience uses the epistemological foundations of cognitive neuroscience, and is closely related to social neuroscience. Social cognitive neuroscience employs human neuroimaging, typically using functional magnetic resonance imaging (fMRI). Human brain stimulation techniques such as transcranial magnetic stimulation and transcranial direct-current stimulation are also used. In nonhuman animals, direct electrophysiological recordings and electrical stimulation of single cells and neuronal populations are utilized for investigating lower-level social cognitive processes.
Neuroarchaeology is a sub-discipline of archaeology that uses neuroscientific data to infer things about brain form and function in human cognitive evolution. The term was first suggested and thus coined by Colin Renfrew and Lambros Malafouris.
Adriana Galván is an American psychologist and expert on adolescent brain development. She is a professor of psychology at the University of California, Los Angeles (UCLA) where she directs the Developmental Neuroscience laboratory. She was appointed the Jeffrey Wenzel Term Chair in Behavioral Neuroscience and the Dean of Undergraduate Education at UCLA.
References
- ↑ University of Copenhagen
- ↑ Research Centre for Brain Injury Rehabilitation
- ↑ "Staff". 10 January 2006.
- ↑ Mogensen, J 2011, ' Reorganization of the injured brain: implications for studies of the neural substrate of cognition ' Frontiers in Psychology , vol 2:7, pp. 1-10.
- ↑ Ebdrup, Niels. "Stress and exercise repair the brain after a stroke", ScienceNordic , Denmark, 13 January 2012. Retrieved on 13 January 2012.
- ↑ "Hjernedoping gør dig ikke klogere". 19 November 2012.
- ↑ "Stress og motion genoptræner blodprop-hjerner". 2 January 2012.
- ↑ "Idræt gør dig klog". vorespuls.dk. Retrieved 4 December 2022.
- ↑ "P1 Radio – Hør P1 live eller genhør P1-programmer her".
- ↑ "Staff". 10 January 2006.