PP text version
... a refractory period follows action potential because Na channels turn themselves off (inactivate) and take some time to recover. The nerve can’t be stimulated again until they recover. the speed that the action potential travels (propagates) is determined by a) the diameter of the axon: larger i ...
... a refractory period follows action potential because Na channels turn themselves off (inactivate) and take some time to recover. The nerve can’t be stimulated again until they recover. the speed that the action potential travels (propagates) is determined by a) the diameter of the axon: larger i ...
spinal cord
... control and coordination of life functions and activities 2 systems involved: 1. nervous- electrical system, brain,spine and nerves found in multicellular organisms 2. endocrine- chemical system, hormones found in all organisms Nervous System: definitions: a. stimulus- change in the internal or ex ...
... control and coordination of life functions and activities 2 systems involved: 1. nervous- electrical system, brain,spine and nerves found in multicellular organisms 2. endocrine- chemical system, hormones found in all organisms Nervous System: definitions: a. stimulus- change in the internal or ex ...
Stages of Brain Development
... and consequently malfunction at any stage that it is truly miraculous that many of us survive to functional adulthood at all. This article is written in simplified form in an attempt to try and illustrate what can go wrong, the most likely stages that it may go wrong and what may be done to potentia ...
... and consequently malfunction at any stage that it is truly miraculous that many of us survive to functional adulthood at all. This article is written in simplified form in an attempt to try and illustrate what can go wrong, the most likely stages that it may go wrong and what may be done to potentia ...
Coming to Attention
... They used a phenomenon called attention blink. In the experiment they once again displayed a series of letters to subjects and observed them with fMRI. This time, however, only a single green letter appeared among rapidly changing black letters, and the subject had to tell at the end of the test wh ...
... They used a phenomenon called attention blink. In the experiment they once again displayed a series of letters to subjects and observed them with fMRI. This time, however, only a single green letter appeared among rapidly changing black letters, and the subject had to tell at the end of the test wh ...
Basics of Neuroscience
... focused on holistic & visual-spatial processing • Two hemispheres work closely together & it is often hard to differentiate their different functions as brain operates • Many neural structures in evolving brain were duplicated so that there is one in each hemisphere • Usual way of talking about comp ...
... focused on holistic & visual-spatial processing • Two hemispheres work closely together & it is often hard to differentiate their different functions as brain operates • Many neural structures in evolving brain were duplicated so that there is one in each hemisphere • Usual way of talking about comp ...
Neurogenesis - Brain Mind Forum
... There is much debate over whether worn or damaged neurons are replaced. There was a phase some years ago when journalists used to enjoy scaring people but saying how many of their neurons had died while they were reading their articles. This was later comprehensively disproved by a number of studies ...
... There is much debate over whether worn or damaged neurons are replaced. There was a phase some years ago when journalists used to enjoy scaring people but saying how many of their neurons had died while they were reading their articles. This was later comprehensively disproved by a number of studies ...
Powerpoint version
... How do hormones signal cells? Steroid and thyroid hormones activate genes Diffuse freely into and out of cells Receptor proteins are in cytoplasm. Hormone binds and moves inside nucleus ...
... How do hormones signal cells? Steroid and thyroid hormones activate genes Diffuse freely into and out of cells Receptor proteins are in cytoplasm. Hormone binds and moves inside nucleus ...
The nervous system - Science for Yr9@E
... this is the "simplest" part of human brains because animals' entire brains, such as reptiles (who appear early on the evolutionary scale) resemble our brain stem. ...
... this is the "simplest" part of human brains because animals' entire brains, such as reptiles (who appear early on the evolutionary scale) resemble our brain stem. ...
Brain - HMS - Harvard University
... While much of stuttering remains a mystery to scientists, they do know, based on imaging studies, that the brains of people who stutter are structurally different for those of people who do not stutter; these differences could affect behavior. Positron emission tomography studies of people who stutt ...
... While much of stuttering remains a mystery to scientists, they do know, based on imaging studies, that the brains of people who stutter are structurally different for those of people who do not stutter; these differences could affect behavior. Positron emission tomography studies of people who stutt ...
Coming to Attention How the brain decides what to focus conscious
... battle their way into our consciousness automatically because they are so striking.) Alternatively, we can actively and deliberately control our focus (called "top-down," because higher brain regions are involved at the outset). For example, at a noisy party, we can tune out background noise to list ...
... battle their way into our consciousness automatically because they are so striking.) Alternatively, we can actively and deliberately control our focus (called "top-down," because higher brain regions are involved at the outset). For example, at a noisy party, we can tune out background noise to list ...
Chapter 3: The Biological Bases of Behavior
... a trait is influenced by both genes and environmental factors. Polygenic inheritance – many genes influence a particular characteristic like skin color. Sex linked inheritance – involves genes on the X and Y chromosomes ◦ E.g. male or female body type and red-green color blindness ...
... a trait is influenced by both genes and environmental factors. Polygenic inheritance – many genes influence a particular characteristic like skin color. Sex linked inheritance – involves genes on the X and Y chromosomes ◦ E.g. male or female body type and red-green color blindness ...
Brain`s Building Blocks
... ◦ includes symptoms of tremors and shakes in the limbs, a slowing of voluntary movements, muscle stiffness, problems with balance and coordination and feelings of depression ◦ as the disease progresses, patients develop a shuffling walk and may suddenly freeze in space for minutes or hours at a time ...
... ◦ includes symptoms of tremors and shakes in the limbs, a slowing of voluntary movements, muscle stiffness, problems with balance and coordination and feelings of depression ◦ as the disease progresses, patients develop a shuffling walk and may suddenly freeze in space for minutes or hours at a time ...
Representations and sensorimotor loops in intelligent agents
... that involve processes of physical adaptation to an environmental niche. Third, behavioural studies of various insect species suggest that the austere set of explanatory tools adopted by Brooks is insufficient even just to account for “low-level” behaviours performed by simple insect-like organisms. ...
... that involve processes of physical adaptation to an environmental niche. Third, behavioural studies of various insect species suggest that the austere set of explanatory tools adopted by Brooks is insufficient even just to account for “low-level” behaviours performed by simple insect-like organisms. ...
File
... mental activity carried out? Does the homunculus do it?" This is a way of saying, "You have not given us an adequate explanation!" ...
... mental activity carried out? Does the homunculus do it?" This is a way of saying, "You have not given us an adequate explanation!" ...
Semantics Without Categorization
... • Crucially: – The similarity structure, and hence the pattern of generalization depends on the knowledge already stored in the weights. ...
... • Crucially: – The similarity structure, and hence the pattern of generalization depends on the knowledge already stored in the weights. ...
PHYSIOLOGICAL PSYCHOLOGY Chapter 2
... USE DURING SAME TASKS A man's brain and a woman's brain really do work differently. New research from the University of Alberta shows that men and women utilize different parts of their brains while they perform the same tasks. http://www.physorg.com/news8634.html ...
... USE DURING SAME TASKS A man's brain and a woman's brain really do work differently. New research from the University of Alberta shows that men and women utilize different parts of their brains while they perform the same tasks. http://www.physorg.com/news8634.html ...
Chapter 12 The Nervous System
... as a “fight - or - flight” reaction. This prepares the body to deal with an immediate threat. • Stimulation of the sympathetic nervous system causes a number of things to occur in the body: ...
... as a “fight - or - flight” reaction. This prepares the body to deal with an immediate threat. • Stimulation of the sympathetic nervous system causes a number of things to occur in the body: ...
Cognitive Aging: Imaging, Emotion, and Memory
... (NIA) supports research aimed at better understanding the aging mind and its impact on the health behaviors and wellbeing of older Americans. This newsletter highlights NIAfunded research that examines several aspects of cognitive function in older adults, particularly ways in which they think diffe ...
... (NIA) supports research aimed at better understanding the aging mind and its impact on the health behaviors and wellbeing of older Americans. This newsletter highlights NIAfunded research that examines several aspects of cognitive function in older adults, particularly ways in which they think diffe ...
feel like doing. Brain-Based Principles 1-6
... Parents work more hours, television is viewed more, media violence is pervasive, TV has the “Baby Channel,” and infants are learning emotional responses from other infants in ...
... Parents work more hours, television is viewed more, media violence is pervasive, TV has the “Baby Channel,” and infants are learning emotional responses from other infants in ...
FUDAN BIWEEKLY
... Chinese),often traveled down the mountain to hurt the villagers and their domestic animals .The locals could not figure out how to deal with the monster ,but a chubby boy ,named Shahai‟er, arrived .The intelligent and powerful boy ate the ferocious animals ,and, with a charming smile ,he managed to ...
... Chinese),often traveled down the mountain to hurt the villagers and their domestic animals .The locals could not figure out how to deal with the monster ,but a chubby boy ,named Shahai‟er, arrived .The intelligent and powerful boy ate the ferocious animals ,and, with a charming smile ,he managed to ...
Chapter 1
... A behavioral method measures directly observable behavior such as the time to respond or the accuracy of a response. Researchers attempt to draw inferences about internal representation and processing from such directly observable responses. ...
... A behavioral method measures directly observable behavior such as the time to respond or the accuracy of a response. Researchers attempt to draw inferences about internal representation and processing from such directly observable responses. ...
BCI Concept
... 25,000 neurons taken from the brain of a rat that are connected to a computer via 60 electrodes. rapidly began to reconnect themselves to form a living neural network. To put the experimental brain to the test, it is connected to a jet flight simulator via the electrode grid and a desktop computer. ...
... 25,000 neurons taken from the brain of a rat that are connected to a computer via 60 electrodes. rapidly began to reconnect themselves to form a living neural network. To put the experimental brain to the test, it is connected to a jet flight simulator via the electrode grid and a desktop computer. ...
Emotions, attitudes and communication
... from emotional state, which take input from body states • ToM is expected in many species • Imitation, simulation and representation are evolutionary stages of cognitive and emotive development • Contemporary Homo Sapiens uses all three ToM processes • Theories of Mind have linguistic-pragmatic mani ...
... from emotional state, which take input from body states • ToM is expected in many species • Imitation, simulation and representation are evolutionary stages of cognitive and emotive development • Contemporary Homo Sapiens uses all three ToM processes • Theories of Mind have linguistic-pragmatic mani ...