António Damásio António Rosa Damásio, GOSE is a Portuguese behavioral neurologist and neuroscientist living and working in the United States. He is David Dornsife Professor of Neuroscience at the University of Southern California, where he heads USC's Brain and Creativity Institute. Prior to taking up his posts at USC, in 2005, Damásio was M.W. Van Allen Phineas Gage Phineas P. Gage [n 2] was an American railroad construction foreman now remembered for his incredible survival of an accident in which a large iron rod was driven completely through his head, destroying much of his brain's left frontal lobe, and for that injury's reported effects on his personality and behavior—effects so profound that friends Norman Geschwind Norman Geschwind can be considered the father of modern behavioral neurology in America. He was mentor to the cadre of behavioral neurologists who would shape the subspecialty for the 20th and early 21st centuries Elkhonon Goldberg Elkhonon Goldberg is a neuropsychologist and cognitive neuroscientist known for his work in hemispheric specialization and the "novelty-routinization" theory Patricia Goldman Rakic Patricia Goldman-Rakic (born Patricia Shoer) (April 22, 1937 – July 31, 2003) was an American neuroscientist/neurobiologist known for her pioneering study of the frontal lobe and her work on the cellular basis of working memory Pasko Rakic Pasko Rakic is a neuroscientist at Yale University. Rakic has been elected to the National Academy of Sciences USA, the American Academy of Arts and Sciences, and the Presidency of the Society for Neuroscience. He was a co-recipient, with Thomas Jessell and Sten Grillner, of the inaugural Kavli Prize for Neuroscience in 2008.. He is also a foreign Donald O. Hebb Donald Olding Hebb was a Canadian psychologist who was influential in the area of neuropsychology, where he sought to understand how the function of neurons contributed to psychological processes such as learning. He has been described as the father of neuropsychology and neural networks Kenneth Heilman He attended the University of Virginia and graduated from the University of Virginia School of Medicine in 1963 Edith Kaplan Edith Kaplan was a respected pioneer of neuropsychological tests who did most of her work at the Boston VA Hospital. Throughout her 50-year career in psychology, Dr. Edith Kaplan made invaluable contributions to the promotion of clinical neuropsychology as a specialty area in psychology. Her impact on our field is widespread, and encompasses many Muriel Lezak Muriel Deutsch Lezak is an American neuropsychologist best known for her book Neuropsychological Assessment, widely accepted as the standard in the field. She holds bachelor's and master's degrees from the University of Chicago, and earned a Ph.D. from the University of Portland in 1960 Benjamin Libet Benjamin Libet (April 12, 1916 - July 23, 2007) was a researcher in the physiology department of the University of California, San Francisco, and a pioneering scientist in the field of human consciousness. In 2003, he was the first recipient of the Virtual Nobel Prize in Psychology from the University of Klagenfurt, "for his pioneering Rodolfo Llinás Rodolfo R. Llinás is the Thomas and Suzanne Murphy Professor of Neuroscience and Chairman of the department of Physiology & Neuroscience at the NYU School of Medicine. He went to the Gimnasio Moderno school and received his MD from the Universidad Javeriana, Bogotá in 1959 and his PhD in 1965 from the Australian National University working Alexander Luria Alexander Romanovich Luria was a famous Soviet neuropsychologist and developmental psychologist. He was one of the founders of cultural-historical psychology and psychological activity theory Brenda Milner Brenda Milner, CC, GOQ, FRS has contributed extensively to the research literature on various topics in the field of clinical neuropsychology Karl H. Pribram Karl H. Pribram is a professor at Georgetown University , and an emeritus professor of psychology and psychiatry at Stanford University and Radford University. Board-certified as a neurosurgeon, Pribram did pioneering work on the definition of the limbic system, the relationship of the frontal cortex to the limbic system, the sensory-specific & Oliver Sacks Oliver Wolf Sacks, CBE , is a British neurologist residing in New York City. He is a professor of neurology and psychiatry at Columbia University, where he also holds the position of Columbia Artist. He previously spent many years on the clinical faculty of Yeshiva University's Albert Einstein College of Medicine Mark Rosenzweig Mark Richard Rosenzweig was an American research psychologist who found in animal studies on neuroplasticity that the brain continues developing anatomically, reshaping and repairing itself into adulthood based on life experiences, overturning the conventional wisdom that the brain reached full maturity in childhood Roger W. Sperry Roger Wolcott Sperry was a neuropsychologist, neurobiologist and Nobel laureate who, together with David Hunter Hubel and Torsten Nils Wiesel, won the 1981 Nobel Prize in Medicine for his work with split-brain research
H. M. Henry Gustav Molaison , better known as HM or H.M., was a memory-impaired patient who was widely studied from the late 1950s until his death. His case played a very important role in the development of theories that explain the link between brain function and memory, and in the development of cognitive neuropsychology, a branch of psychology that K. C. KC, also known as Patient K.C., is a famous patient in neuropsychology who was diagnosed with anterograde amnesia and temporally graded retrograde amnesia as the result of a motorcycle crash at the age of 30, in 1981. He has intact semantic memory but no episodic memory, caused by injury to his frontal lobe. He was the patient of famous memoryBenton Visual Retention Test The Benton Visual Retention Test is an individually administered test for ages 8-adult that measures visual perception and visual memory . It can also be used to help identify possible learning disabilities. The child is shown 10 designs, one at a time, and asked to reproduce each one as exactly as possible on plain paper from memory. The test is Clinical Dementia Rating The Clinical Dementia Rating or CDR is a numeric scale used to quantify the severity of symptoms of dementia Continuous Performance Task A Continuous Performance Task/Test, or CPT, is a psychological test which measures a person's sustained and selective attention and impulsivity. Sustained attention is the ability to maintain a consistent focus on some continuous activity or stimuli, and is associated with impulsivity. Selective attention is the ability to focus on relevant Glasgow Coma Scale Glasgow Coma Scale or GCS is a neurological scale that aims to give a reliable, objective way of recording the conscious state of a person for initial as well as subsequent assessment. A patient is assessed against the criteria of the scale, and the resulting points give a patient score between 3 and either 14 (original scale) or 15 (the more Hayling and Brixton tests The Hayling and Brixton tests are neuropsychological tests of executive function created by psychologists Paul W. Burgess and Tim Shallice Johari window A Johari window is a cognitive psychological tool created by Joseph Luft and Harry Ingham in 1955 in the United States, used to help people better understand their interpersonal communication and relationships. It is used primarily in self-help groups and corporate settings as a heuristic exercise Lexical decision task The lexical decision task is a procedure used in many psychology and psycholinguistics experiments. The basic procedure involves measuring how quickly people classify stimuli as words or nonwords. Although versions of the task had been used by researchers for a number of years, the term lexical decision task was coined by David E. Meyer and Roger Mini-mental state examination The mini-mental state examination or Folstein test is a brief 30-point questionnaire test that is used to screen for cognitive impairment. It is commonly used in medicine to screen for dementia. It is also used to estimate the severity of cognitive impairment at a given point in time and to follow the course of cognitive changes in an individual Stroop effect In psychology, the Stroop effect is a demonstration of the reaction time of a task. When the name of a color is printed in a color not denoted by the name (e.g., the word "red" printed in blue ink instead of red ink), naming the color of the word takes longer and is more prone to errors than when the color of the ink matches the name of Wechsler Adult Intelligence Scale The Wechsler Adult Intelligence Scale intelligence quotient (IQ) tests are the primary clinical instruments used to measure adult and adolescent intelligence. The original WAIS (Form I) was published in February 1955 by David Wechsler, as a revision of the Wechsler-Bellevue Intelligence Scale. The fourth edition of the test (WAIS-IV) was released
Wisconsin card sorting The Wisconsin Card Sorting Test is a neuropsychological test of "set-shifting", i.e. the ability to display flexibility in the face of changing schedules of reinforcement. The WCST was written by David A. Grant and Esta A. Berg. The Professional Manual for the WCST was written by Robert K. Heaton, Gordon J. Chelune, Jack L. Talley, GaryThoughts are forms Plato's theory of Forms or theory of Ideas asserts that non-material abstract forms (or ideas), and not the material world of change known to us through sensation, possess the highest and most fundamental kind of reality. When used in this sense, the word form is often capitalized. Plato says that these Forms are the only true objects of study conceived in the mind Mind is the aspect of intellect and consciousness experienced as combinations of thought, perception, memory, emotion, will and imagination, including all unconscious cognitive processes. The term is often used to refer, by implication, to the thought processes of reason. Mind manifests itself subjectively as a stream of consciousness, rather than the forms perceived In philosophy, psychology, and cognitive science, perception is the process of attaining awareness or understanding of sensory information. The word "perception" comes from the Latin words perceptio, percipio, and means "receiving, collecting, action of taking possession, apprehension with the mind or senses." through the five senses Senses are the physiological capacities within organisms that provide inputs for perception. The senses and their operation, classification, and theory are overlapping topics studied by a variety of fields, most notably neuroscience, cognitive psychology , and philosophy of perception. The nervous system has a specific sensory system or organ,. Thought and thinking are the processes In science, a process is every sequence of changes of a real object/body which is observable using scientific method. Therefore, all sciences analyze and model processes by which these concepts are perceived and manipulated. Thinking allows beings to model In the most general sense, a model is anything used in any way to represent anything else. Some models are physical objects, for instance, a toy model which may be assembled, and may even be made to work like the object it represents. However a conceptual model, may only be drawn on paper, described in words, or imagined in the mind. They are used the world and to represent it according to their objectives A goal or objective is a projected state of affairs that a person or a system plans or intends to achieve—a personal or organizational desired end-point in some sort of assumed development. Many people endeavor to reach goals within a finite time by setting deadlines, plans A plan is typically any procedure used to achieve an objective. It is a set of intended actions, through which one expects to achieve a goal, ends and desires Desire is a sense of longing for a person or object or hoping for an outcome. The same sense is expressed by emotions such as "craving" or "hankering". When a person desires something or someone, their sense of longing is excited by the enjoyment or the thought of the item or person, and they want to take actions to obtain. Similar concepts and processes include cognition Cognition is the scientific term for "the process of thought." Usage of the term varies in different disciplines; for example in psychology and cognitive science, it usually refers to an information processing view of an individual's psychological functions. Other interpretations of the meaning of cognition link it to the development of, sentience Sentience is the ability to feel or perceive. The term is used in science and philosophy, and in the study of artificial intelligence. Sentience is used in the study of consciousness to describe the ability to have sensations or experiences, known to Western philosophers as "qualia". In eastern philosophy, sentience is a metaphysical, consciousness Consciousness is variously defined as subjective experience, awareness, the ability to experience "feeling", wakefulness, or the executive control system of the mind. It is an umbrella term that may refer to a variety of mental phenomena. Although humans realize what everyday experiences are, consciousness refuses to be defined,, ideas In the most narrow sense, an idea is just whatever is before the mind when one thinks. Very often, ideas are construed as representational images; i.e. images of some object. In other contexts, ideas are taken to be concepts, although abstract concepts do not necessarily appear as images. Many philosophers consider ideas to be a fundamental, and imagination Imagination, also called the faculty of imagining, is the ability of forming mental images, sensations and concepts, in a moment when they are not perceived through sight, hearing or other senses. Imagination is the work of the mind that helps create. Imagination helps provide meaning to experience and understanding to knowledge; it is a.[1]
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Definition
Representative reactions towards stimuli In physiology, a stimulus is a detectable change in the internal or external environment. The ability of an organism or organ to respond to external stimuli is called sensitivity. When a stimulus is applied to a sensory receptor, it elicits or influences a reflex via stimulus transduction. A stimulus is often the first component of a homeostatic from internal chemical reactions A chemical reaction is a process that leads to the transformation of one set of chemical substances to another. Chemical reactions can be either spontaneous, requiring no input of energy, or non-spontaneous, often coming about only after the input of some type of energy, viz. heat, light or electricity. Classically, chemical reactions encompass or external environmental factors (this definition precludes the notion that anything inorganic could ever be made to "think": An idea contested by such computer scientists as Alan Turing (see Computing Machinery and Intelligence)). The word comes from Old English þoht, geþoht, from stem of þencan "to conceive of in the mind, consider".[2]
In common language, the word thinking covers numerous diverse psychological activities. It is sometimes a synonym for "tending to believe," especially with less than full confidence ("I think that it will rain, but I am not sure"). At other times it denotes the degree of attentiveness ("I did it without thinking") or whatever is in consciousness, especially if it refers to something outside the immediate environment ("It made me think of my grandmother").
Philosophy
Main article: Philosophy of mindPhilosophy of mind is a branch of modern analytic philosophy that studies the nature of the mind, mental events, mental functions, mental properties, consciousness and their relationship to the physical body, particularly the brain. The mind-body problem, i.e. the relationship of the mind to the body, is commonly seen as the central issue in philosophy of mind, although there are other issues concerning the nature of the mind that do not involve its relation to the physical body.[3]
The mind-body problem
Main article: Mind-body dichotomyThe mind-body problem concerns the explanation of the relationship that exists between minds, or mental processes, and bodily states or processes.[3] The main aim of philosophers working in this area is to determine the nature of the mind and mental states/processes, and how—or even if—minds are affected by and can affect the body.
Our perceptual experiences depend on stimuli which arrive at our various sensory organs from the external world and these stimuli cause changes in our mental states, ultimately causing us to feel a sensation, which may be pleasant or unpleasant. Someone's desire for a slice of pizza, for example, will tend to cause that person to move his or her body in a specific manner and in a specific direction to obtain what he or she wants. The question, then, is how it can be possible for conscious experiences to arise out of a lump of gray matter endowed with nothing but electrochemical properties. A related problem is to explain how someone's propositional attitudes (e.g. beliefs and desires) can cause that individual's neurons to fire and his muscles to contract in exactly the correct manner. These comprise some of the puzzles that have confronted epistemologists and philosophers of mind from at least the time of René Descartes.[4]
Biology
Main article: NeuronsA neuron (also known as a neurone or nerve cell) is an excitable cell in the nervous system that processes and transmits information by electrochemical signalling. Neurons are the core components of the brain, the vertebrate spinal cord, the invertebrate ventral nerve cord, and the peripheral nerves. A number of specialized types of neurons exist: sensory neurons respond to touch, sound, light and numerous other stimuli affecting cells of the sensory organs that then send signals to the spinal cord and brain. Motor neurons receive signals from the brain and spinal cord and cause muscle contractions and affect glands. Interneurons connect neurons to other neurons within the brain and spinal cord. Neurons respond to stimuli, and communicate the presence of stimuli to the central nervous system, which processes that information and sends responses to other parts of the body for action. Neurons do not go through mitosis, and usually cannot be replaced after being destroyed,[dubious – discuss] although astrocytes have been observed to turn into neurons as they are sometimes pluripotent.
Psychology
Main article: Cognitive psychologyPsychologists have concentrated on thinking as an intellectual exertion aimed at finding an answer to a question or the solution of a practical problem. Cognitive psychology is a branch of psychology that investigates internal mental processes such as problem solving, memory, and language. The school of thought arising from this approach is known as cognitivism which is interested in how people mentally represent information processing. It had its foundations in the Gestalt psychology of Max Wertheimer, Wolfgang Köhler, and Kurt Koffka,[5] and in the work of Jean Piaget, who provided a theory of stages/phases that describe children's cognitive development.
Cognitive psychologists use psychophysical and experimental approaches to understand, diagnose, and solve problems, concerning themselves with the mental processes which mediate between stimulus and response. They study various aspects of thinking, including the psychology of reasoning, and how people make decisions and choices, solve problems, as well as engage in creative discovery and imaginative thought. Cognitive theory contends that solutions to problems take the form of algorithms—rules that are not necessarily understood but promise a solution, or heuristics—rules that are understood but that do not always guarantee solutions. Cognitive science differs from cognitive psychology in that algorithms that are intended to simulate human behavior are implemented or implementable on a computer. In other instances, solutions may be found through insight, a sudden awareness of relationships.
In developmental psychology, Jean Piaget was a pioneer in the study of the development of thought from birth to maturity. In his theory of cognitive development, thought is based on actions on the environment. That is, Piaget suggests that the environment is understood through assimilations of objects in the available schemes of action and these accommodate to the objects to the extent that the available schemes fall short of the demands. As a result of this interplay between assimilation and accommodation, thought develops through a sequence of stages that differ qualititatively from each other in mode of representation and complexity of inference and understanding. That is, thought evolves from being based on perceptions and actions at the sensorimotor stage in the first two years of life to internal representations in early childhood. Subsequently, representations are gradually organized into logical structures which first operate on the concrete properties of the reality, in the stage of concrete operations, and then operate on abstract principles that organize concrete properties, in the stage of formal operations.[6] In recent years, the Piagetian conception of thought was integrated with information processing conceptions. Thus, thought is considered as the result of information processing mechanisms that are responsible for the representation and processing of information. In this conception, speed of processing, cognitive control, and working memory are the main functions underlying thought. In the neo-Piagetian theories of cognitive development, the development of thought is considered to come from increasing speed of processing, enhanced cognitive control, and increasing working memory.[7]
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Sun, 18 Jul 2010 21:02:14 GMT+00:00
I was Ugandan, not anymore after bombings Daily Monitor By Hassan Isilow (email the author) I used to think that I was a Ugandan, but my nationality has now been questioned. I met an old friend on my recent ...
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Answers to the question, Do You . Think. Change Is Good ? Answers to Questions from People Who Know at Ask Experience Project.
Q. Who do you think is more likely to win the Republican primary? What do you think about each of the Republicans running in the primary? I think it will come down to Rudy Giuliani or John McCain. Rudy did alot of great things for New York City and McCain seems to have a great working knowledge of foreign policies and issues. I don't think it would be wise to put any of the other republicans against Hillary or Obama. Fred Thompson, though I like him, makes exaggerated remarks that give you a feeling of too much drama. Mitt Romney just seems like a fish out of water. Ron Paul is that grouchy old man that yells at kids for ringing his doorbell on Holloween even though his porch light is on. Mike Huckabee seems to be a good guy but just isn't [cont.]
Asked by TJ815 - Wed Sep 12 22:53:13 2007 - - 7 Answers - 0 Comments
A. Neither one of those two are going to win and certainly not ROn Paul. This election cycle is so unique for so many reasons but you are going to have to have enough money to run competitively in several states simultaneously. But to answer your question, Giuliani can't get by the social conservatives in the major primary states that generally pick the candidate and McCain is viewed as a RINO (republican in name only) by the base who vote and they, quite frankly, hate him. When all is said and done, it will be Romney. Mark my words.
Answered by Xhead - Thu Sep 13 23:22:57 2007
