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ď - Google Sites
ď - Google Sites

... • Learning – what happens when we recall and use past memories • Memory – ability to hold a thought or to recall past events • Short-term memory – retention of information for only a few minutes • Long-term memory – retention of information for more than a few minutes and include the following: • Ep ...
Lecture 6 - Wiki Index
Lecture 6 - Wiki Index

... respiration rate) can be monitored. The onset of a particular medical condition could be associated with a very complex (e.g., nonlinear and interactive) combination of changes on a subset of the variables being monitored. Neural networks have been used to recognize this predictive pattern so that t ...
uncorrected page proofs
uncorrected page proofs

... invisible to the naked eye. You cannot see that it is densely packed with structures, systems, functions, connections and interconnections, many of which are still not fully understood. Within the brain’s tissue are roughly 86 billion individual nerve cells called neurons. Each neuron is connected t ...
The Nervous System
The Nervous System

... • Neurotransmitter can't remain in cleft (would continue to stimulate uncontrollably) – ACh removed by acetylcholinesterase (AChE) – Acetate & choline reabsorbed by axon end, resynthesized to ACh – Other neurotransmitters taken back by axon or diffuse away ...
Nervous system lecture 1
Nervous system lecture 1

... Summation of Graded Potentials ...
USING ARTIFICIAL NEURAL NETWORKS FOR FORCASTING
USING ARTIFICIAL NEURAL NETWORKS FOR FORCASTING

The Neurobiology of EMDR: Exploring the
The Neurobiology of EMDR: Exploring the

... visual, and tactile EMDR stimuli facilitate the bilateral stimulation of relevant thalamo-cingulate tracts, gradually stimulating and deactivating the affective (ventral) subdivision of the anterior cingulate gyrus, allowing, then, for the stimulation and activation of the cognitive (dorsal) subdivi ...
[j26]Chapter 8#
[j26]Chapter 8#

... ___ 35. Cerebral lateralization refers to the specialty of function delegated to one hemisphere or the other, while cerebral dominance is related to the concept of handedness (right or left). ___ 36. The left hemisphere is more adept than the right hemisphere at visuospatial tasks, such as reading m ...
[j26]Chapter 8#
[j26]Chapter 8#

... ___ 35. Cerebral lateralization refers to the specialty of function delegated to one hemisphere or the other, while cerebral dominance is related to the concept of handedness (right or left). ___ 36. The left hemisphere is more adept than the right hemisphere at visuospatial tasks, such as reading m ...
Introduction to Psychology, 7th Edition, Rod
Introduction to Psychology, 7th Edition, Rod

Impact of Correlated inputs on Simple Neural Models
Impact of Correlated inputs on Simple Neural Models

Pursuing commitments
Pursuing commitments

... Our sensory systems support this juggling act by dividing attention and assigning probabilities to several possible interpretations of a scene until queried. Our motor systems can delay calculations involving the state of our body machinery (for instance, position) until just moments before movement ...
The role of Amygdala
The role of Amygdala

... Initial amygdala response  not much conscious processing The anterior cingulate rides to the rescue of amygdala and regulates the initial emotional response Finally the complex emotion of ‘embarrassment’ sets in ...
Echokinetic yawning, theory of mind, and empathy
Echokinetic yawning, theory of mind, and empathy

... perception of emotions, once again by the activation of mirror neurons. These neurons mime the expression perceived, helping the observer to understand it. Schürmann et al. (2) demonstrated that the STS is activated during echokinetic yawning. This activation, automatic and involuntarily, is transmi ...
Memory from the dynamics of intrinsic membrane currents
Memory from the dynamics of intrinsic membrane currents

... networks as diverse as central pattern generators in invertebrates and vertebrates (3), the thalamus (4–6), and the cerebellum (7) have clearly shown that complex neuronal characteristics, such as oscillatory and plateau properties, play crucial roles in shaping neural network output. Recent work ha ...
Memory Lecture
Memory Lecture

...  Sensitization is a process that allows an animal to generalize an aversion response elicited by a noxious stimulus to a variety of other, non-noxious stimuli  The probable mechanism of sensitization is shown in Fig. 25.2C 3. Short-term synaptic plasticity in mammals Fig. 25.3 2. Synaptic facilit ...
chapter_1
chapter_1

... Neurocomputing and Neuroscience Simplified drawing of the synapses ...
Affiliates Day Poster Joseph Young
Affiliates Day Poster Joseph Young

... SFC measures synchronization between single neuron and local population as a function of frequency ...
Chapter 21: Brain Structure and Function
Chapter 21: Brain Structure and Function

... Nervous Impulse = Action Potential  Stimulation of a neuron causes ion gates to open, and Na+ rushes in, changing polarity (depolarization)  Action potential (nervous Impulse) – a brief change in polarity of the surface membrane, which moves down the length of an axon ...
Small System of Neurons
Small System of Neurons

... abilities to learn, etc… qualitatively different from other organisms? Ethologists (Lorenz, Tinbergen, and Frisch) demonstrated that there are commonalities in animal behavior. Thus, such commonality suggests that their may be some underlying common neuronal mechanisms (example: cellular and molecul ...
This Week in The Journal
This Week in The Journal

... Dysbindin is a schizophrenia susceptibility gene required for the development of dendritic spines. The expression of dysbindin proteins is decreased in the brains of schizophrenia patients, and neurons in mice carrying a deletion in the dysbindin gene have fewer dendritic spines. Hence, dysbindin mi ...
The Two Messenger Services of the Brain
The Two Messenger Services of the Brain

... injured such as a severed finger. ( In fact you can expect feeling to return at a rate of about 1 millimeter a day!!!) ...
Digital Selection and Analogue Amplification Coexist in a cortex-inspired silicon circuit
Digital Selection and Analogue Amplification Coexist in a cortex-inspired silicon circuit

... © 2000 Macmillan Magazines Ltd ...
Chapter 2 - landman
Chapter 2 - landman

... The structures listed below are often considered to constitute the limbic system. This system is involved in olfaction, emotions, learning, and memory. The limbic system was introduced as a concept by Paul MacLean in 1952 and was long considered the seat of the emotions. Though some of the structure ...
Auditory: Stimulus Auditory
Auditory: Stimulus Auditory

... • Receptors: Hair cells in the cochlea • Transduction: Physical opening of ion channels in the  cochlea by the tectorial membrane • Afferent Signals: unevenly distributed to allow most  signals for range of human speech • Pathway: contralateral to primary auditory cortex  • CNS Areas: Primary in sup ...
< 1 ... 310 311 312 313 314 315 316 317 318 ... 506 >

Metastability in the brain

In the field of computational neuroscience, the theory of metastability refers to the human brain’s ability to integrate several functional parts and to produce neural oscillations in a cooperative and coordinated manner, providing the basis for conscious activity.Metastability, a state in which signals (such as oscillatory waves) fall outside their natural equilibrium state but persist for an extended period of time, is a principle that describes the brain’s ability to make sense out of seemingly random environmental cues. In the past 25 years, interest in metastability and the underlying framework of nonlinear dynamics has been fueled by advancements in the methods by which computers model brain activity.
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