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Sensory Memory - School of Cognitive Sciences
Sensory Memory - School of Cognitive Sciences

... Attending to an item is important for memory formation Full-attention: intentional learning of visually presented words Divided-attention: visual word learning plus a secondary task – monitor auditory tones, indicating whether the current tone has a “high”, “medium”, or “low” pitch – rate of tone pr ...
A.3: Perception of Stimuli
A.3: Perception of Stimuli

... However, if the hairs in the cochlea are defective hearing aids won’t help. If the auditory nerve is functioning properly, a cochlear implant may help. They do not fully restore normal hearing, but they improve is and allow for recognition of speech ...
ch. 6 pdf - TeacherWeb
ch. 6 pdf - TeacherWeb

... Transmission between neurons, or nerve cells, occurs whenever the cells are stimulated past a minimum point and emit a signal. The neuron is said to fire in accord with the all-or-none principle, which states that when a neuron fires, it does so at full strength. If a neuron is not stimulated past t ...
Sparse but not `Grandmother-cell` coding in the medial temporal lobe
Sparse but not `Grandmother-cell` coding in the medial temporal lobe

... long-term declarative memory processes, a view supported by a large set of studies in both humans and animals (see for example [18,36]. In line with this evidence, it is very likely that the responses of human MTL cells described in the previous section link visual (or other forms of) perception to ...
Hierarchical Neural Network for Text Based Learning
Hierarchical Neural Network for Text Based Learning

...  Traditional approach is to describe semantic network structure and/or probabilities of transition in associated Markov models  Biological networks learn  Different Neural Network structures, but common goal  Simple and efficient to solve the given problem  Sparsity is essential  Size of the n ...
The Nervous System Worksheet
The Nervous System Worksheet

... 4. Answer the following questions about stimuli and responses. a) Explain what happens in terms of stimulus and response when a lion spies a gazelle in a bush 10 metres in front of him. Use the following terms in your answer: stimulus, receptor, response, effector, electrical impulse, brain, motor n ...
what does it take to remember informed consent?
what does it take to remember informed consent?

... of what patients hear and read in the consent process into electrical impulses and chemical changes in the brain, 2) storage--where the consent information is placed in the brain, and 3) retrieval--the ability to get the information out when asked. Prospective subjects who can store consent informat ...
Body and Behavior - Miami East Local Schools
Body and Behavior - Miami East Local Schools

... Transmission between neurons, or nerve cells, occurs whenever the cells are stimulated past a minimum point and emit a signal. The neuron is said to fire in accord with the all-or-none principle, which states that when a neuron fires, it does so at full strength. If a neuron is not stimulated past t ...
abstract - ELSC at
abstract - ELSC at

... Neuronal Circuits Neuronal circuits in the central nervous system process information by the collective dynamics of large recurrently connected networks of nerve cells interacting with each other by sending and receiving electrical impulses called action potentials (APs). Interacting exclusively by ...
23mri2
23mri2

... suppress signal from water. This can be done only without gradient field. Still localized measurements are possible - brain, kidneys, liver... . In addition to protons, several other nuclei are used 31P, 13C,... ...
neurons and the nervous system
neurons and the nervous system

...  Made up of a cell body and branches called dendrites ...
Fundamentals of Nuclear Medicine Brain Imaging
Fundamentals of Nuclear Medicine Brain Imaging

... behaviour changes and difficulty speaking and walking • DLB - memory loss and thinking problems (like Alzheimer's) sleep disturbances, visual hallucinations, muscle rigidity or other parkinsonian movement features • FTD - Typical symptoms include changes in personality and behaviour and difficulty w ...
Two-Compartment Models
Two-Compartment Models

... - Linear ODE - Without input ( at ( V  E ) L ...
Nervous System - Mrs. Riggs Online
Nervous System - Mrs. Riggs Online

... axons; myelinated axons transmit nerve impulses much faster than non-covered ...
Unit 3 Summary
Unit 3 Summary

... The ANS is different from the somatic nervous system because the somatic nervous system initiates or causes movement or change (in skeletal muscles), whereas the ANS modifies and changes the activities of muscles, organs and glands to meet whatever demands face the body at the time. While most chang ...
Chapter 3—The Brain and Behavior
Chapter 3—The Brain and Behavior

... The parasympathetic nervous system consists of the brain and the spinal cord. The somatic nervous system consists of sensory nerves. The sympathetic nervous system is involved when we are in a relaxed state. Nerves are the basic unit of the nervous system. Glial cells transmit messages throughout th ...
NAS 150 The Skeletal System Brilakis Fall, 2003
NAS 150 The Skeletal System Brilakis Fall, 2003

... 4. cerebrum with cerebral cortex Exhibits two hemispheres connected by an axon rich Corpus Callosum that connects the two halves. Many folds/convolutions give the brain it’s characteristic appearance. Four lobes are present in the cerebrum: Frontal lobe: located at the front of the brain and is asso ...
Cognition and miniature brain: What we can learn from a honeybee
Cognition and miniature brain: What we can learn from a honeybee

... The incapacity of bees to solve positive & negative patterning in the absence of functional mushroom bodies was not due to side-effects of procaine as elemental differential conditioning was not impaired by mushroom body blockade. Mushroom bodies are required for solving non-elemental, ambiguous (co ...
Nervous system
Nervous system

... ■ Electrical messages (also called action potentials) get passed along ■ Hypothalamus: reads or senses blood levels and then directs different glands of the endocrine system to respond and return the body to homeostasis. – Controls/Responds to : ...
Chocolate Chip Cookie Review
Chocolate Chip Cookie Review

... 2. When you lift up your cookie, what kind of neurons transmit instructions to your muscles? 3. Of what system are these neurons a part of? 4. When you touch your cookie, the sensation of touch involves what action on the part of individual neurons? 5. What part of the neuron receives the stimulus? ...
Function and Metabolism of Phospholipids in the Central and
Function and Metabolism of Phospholipids in the Central and

... from one side of the membrane to the other. Would the diacylglycerol molecules be similarly restricted, and remain long enough in one-half of the bilayer to create these vesicle buddings? Moreover, are the enzymes involved so asymmetrically distributed as to catalyse these directional buddings? This ...
Chapter 3—The Brain and Behavior
Chapter 3—The Brain and Behavior

... The midbrain is involved in the relay of information between the brain and the hindbrain and forebrain. A midbrain structure called the reticular formation is involved in stereotyped patterns of behavior. The highest region of the brain is called the forebrain. A forebrain structure that plays impo ...
N-Squad Episode Three: Mission Debrief
N-Squad Episode Three: Mission Debrief

... releases chemicals into the synapse, which is a gap between the sending neuron and the receiving neuron. These chemicals are called neurotransmitters. The neurotransmitters can cross the synapse and bind to the dendrite of the receiving neuron, which may cause the receiving cell to generate an elect ...
CONSCIOUSNESS FROM NEURONS 1 Abstract. Consciousness
CONSCIOUSNESS FROM NEURONS 1 Abstract. Consciousness

... cerebral hemispheres" (note the pronounced symmetry in the EEG of right and left striate cortex in Fig. 2). He tentatively proposed that the centrencephalic system might represent the highest level of cerebral activity. There are also suggestions that it functions principally in the control of senso ...
functional nervous system power point
functional nervous system power point

... Action Potentials Travel Long Distances • Conduction is the high-speed movement of a action potential ...
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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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