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Notes Chapter 50 Nervous and Sensory Systems
Notes Chapter 50 Nervous and Sensory Systems

... iv) Under normal conditions, both systems usually are activated to some degree. v) The balance of actions of the sympathetic division and the parasympathetic division of the autonomic nervous system help the body maintain homeostasis. 8) Describe the structure of a neuron. a) The nucleus of a neuron ...
Ch. 10 Neurology
Ch. 10 Neurology

... functional unit of the nervous system. -Nerves are bundles of individual nerve cells (neurons). -Neuroglia perform specialized tasks to help neurons do their work. ...
Unit 6 Notes
Unit 6 Notes

... remember a time from childhood when they rode a bike, but they can do it when ask to, just not say how they know. In a famous test done with amnesiacs with hippocampus damage, doctors would shock them with a joy buzzer by shaking their hand at a time post-damage. The next time the person met with th ...
Memory Memory Processes Three Stages of Memory Sensory Memory
Memory Memory Processes Three Stages of Memory Sensory Memory

... • Biology-based theory • When new memory formed, it creates a memory trace – a change in brain structure or chemistry ...
Chapter 6 PowerPoint
Chapter 6 PowerPoint

... • Amnesia—severe memory loss • Retrograde amnesia—inability to remember past episodic information; common after head injury; need for consolidation • Anterograde amnesia—inability to form new memories; related to hippocampus ...
session three – memory part one
session three – memory part one

... memory for later use 3. Retrieval: The process of getting the information out of memory storage. The act of bringing to mind material that has been stored in memory ...
Biology Option E
Biology Option E

... the dogs started to secrete saliva before they have received the unconditioned stimulus. The sound of the bell or the metronome is called the conditioned stimulus and the secretion of saliva before the unconditioned stimulus is the conditioned response. The dogs had learned to associate two external ...
Novel Approaches to Monitor and Manipulate Single NeuronsIn Vivo
Novel Approaches to Monitor and Manipulate Single NeuronsIn Vivo

... Structural plasticity and synaptic function Synapses are the smallest units of organization in neural networks, and they are thought to encode memories. What happens at synapses when we learn? To understand synaptic dynamics in intact animals, it will be necessary to monitor the structure and functi ...
Key - Cornell
Key - Cornell

... 4. Which characteristics of real neurons can you think of that leaky integrate-and-fire neurons do not model? Non-linearities in summation, refractory period 5. If one does not want to explicitly model action potential generation using Na+ and K+ channels, what is a good alternative? How is a refrac ...
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Chapter 7 Appendix
Chapter 7 Appendix

... nervous system is to divide it up into functional systems. Thus, the otfactlry systemconsistsof those parts of the brain that are devoted to the sense of smell, the visual systemincludes those parts that are devoted to vision, a n d s o o n . w h i l e t h i s f u n c t i o n a l a p p r o a c h t o ...
Phys Chapter 59 [4-20
Phys Chapter 59 [4-20

... So a grand mall attack involves abnormal activation of the thalamus, cerebral cortex, and subthalamic brainstem parts of the brain activating system o Most people who have grand mal attacks have a hereditary predisposition to epilepsy  In these people, things that can increase the excitability enou ...
Neuron Anatomy
Neuron Anatomy

... • Diameter remains relatively constant over its length. • Shape is maintained by the cytoskeleton. • Carries nerve impulses (information) to the soma ...
another study guide
another study guide

... The sense of touch invades the part of the brain that normally helps people see. PET scans also reveal activation of the visual cortex when blind people read Braille Among deaf people who communicate with sign language, it is the _____________________ lobe area normally dedicated to ________________ ...
17- The Nervous System: The Basic Structure
17- The Nervous System: The Basic Structure

... the nucleus and produces the energy needed to fuel neuron activity. The dendrites are short, thin fibers that stick out from the cell body. Dendrites receive impulses, or messages, from other neurons and send them to the cell body. The axon is a long fiber that carries the impulses away from the cel ...
Memory Interventions
Memory Interventions

... Study evaluates the results of a training program for prospective remembering. The goal of the study was to improve prospective memory by associating cues from the retrieval situation with the to be remembered information At three month interval, control group had reached same level of trained group ...
neural network
neural network

... • There are three (vertical) layers: input, output and one hidden layer. Each neuron in a layer is connected to the layer before it • In a typical experiment, we might want the network to learn to classify patterns arriving from input ie it would output a code representing the class it chose for its ...
Eagleman Ch 5. Vision
Eagleman Ch 5. Vision

... incoming information, based on past experience.  The brain interprets the stimulus based on what is most likely, given past experience. ...
File - Farrell`s Class Page
File - Farrell`s Class Page

... • Evidence of it is found more often in children than adults Eidetic memory as observed in children is typified by the ability of an individual to study an image for approximately 30 seconds, and maintain a nearly perfect photographic memory of that image for a short time once it has been removed ht ...
Central Nervous System
Central Nervous System

... ______________: coordination of skeletal muscle movements Some cognitive function in predicting motor movements Fine coordination: 3 main functions ____________________________________ ____________________________________ Flocculonodular lobe= _________________________ Hemispheres separated by falx ...
Why are Drug Addicts Compelled to Risk Their Lives for Something
Why are Drug Addicts Compelled to Risk Their Lives for Something

... the blood stream and enters the sending neuron and produces extra dopamine. The dopamine then enters the synapse, meth blocks the transporters, and pleasure levels ...
Correlated neuronal activity and the flow of neural information
Correlated neuronal activity and the flow of neural information

... • Such 0.1Hz oscillations used to be attributed to so-called vaso-motion, of the sort seen in in-vivo optical measurements. Any vascular modulation could lead to CBF variations. If this is the case, the modulation is not likely due to the local neuronal activity, but some signal to the vascular syst ...
Representations in the Human Prefrontal Cortex
Representations in the Human Prefrontal Cortex

... that the PFC is both a permanent memory store and the site of processes such as working memory, attention, monitoring, and planning. (See Wood & Grafman, 2003, for further discussion and comparison of different models of PFC function.) As an example of a representational model, we will discuss a par ...
Chp 7 (part 1)
Chp 7 (part 1)

... proximal and distal processes. 2. only small branches at the end of the distal process are dendrites 3. The remainder of the process acts as an axon. 4. The axon then sends impulses toward and away from the cell body 5. Found in sensory neurons in PNS ganglia 7. Physiology a. Neurons have 2 major fu ...
Dirty deeds unwanted: the use of biased memory
Dirty deeds unwanted: the use of biased memory

... retrieval suppression forgetting, provide strong evidence for the possibility of incidental forgetting [11]. Laboratory studies examining memory-related brain activity show that when presented with reminders of a crime, guilty participants’ efforts to suppress retrieval was successful such that th ...
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Holonomic brain theory

The holonomic brain theory, developed by neuroscientist Karl Pribram initially in collaboration with physicist David Bohm, is a model of human cognition that describes the brain as a holographic storage network. Pribram suggests these processes involve electric oscillations in the brain's fine-fibered dendritic webs, which are different from the more commonly known action potentials involving axons and synapses. These oscillations are waves and create wave interference patterns in which memory is encoded naturally, and the waves may be analyzed by a Fourier transform. Gabor, Pribram and others noted the similarities between these brain processes and the storage of information in a hologram, which can also be analyzed with a Fourier transform. In a hologram, any part of the hologram with sufficient size contains the whole of the stored information. In this theory, a piece of a long-term memory is similarly distributed over a dendritic arbor so that each part of the dendritic network contains all the information stored over the entire network. This model allows for important aspects of human consciousness, including the fast associative memory that allows for connections between different pieces of stored information and the non-locality of memory storage (a specific memory is not stored in a specific location, i.e. a certain neuron).
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