'Synapses' presentation slideshows

Key Concepts

Key Concepts. Function Vs. Process Function ? why does a system exist, its purpose, what is does for the organism (teleological approach) Process? How does a system perform its function, (mechanistic approach)

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Memories on multiple timescales: the importance of heterogeneity and memory transfer

Memories on multiple timescales: the importance of heterogeneity and memory transfer. Stefano Fusi. MANY SYNAPSES = MANY MEMORIES. Idealized synapses (~ N ). Bounded synapses (~log N ). ( N ). Amit, Fusi (1992,1994), Brunel, Carusi, Fusi (1998), Fusi (2001). time. time. time. time.

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behavior analysis in a natural environment in the laboratory cells, synapses & circuits

#04: CELLS, SYNAPSES & CIRCUITS. behavior analysis in a natural environment in the laboratory cells, synapses & circuits basic properties of nerve cells synaptic transmission neuronal architecture & behavior relating nerve cells to behavior summary.

539 views • 42 slides

Chapter Three

Chapter Three. The Biological Basis of Behavior. The Nervous System. The Nervous system is living tissue composed of cells. The cells in the nervous system are composed of Neurons and glia cells.

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Synapses

Synapses-how neurons talk to other cells. Synapses. Skeletal muscle Smooth muscle (including vascular) Cardiac muscle. Adrenal gland Salivary gland Lacrimal gland Pancreas. Neuron. Target Cells. Low Ca 2+. 4-AP changes Ca 2+ release by changing action potential duration.

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Generation of Silent Synapses by Acute In Vivo Expression of CaMKIV and CREB

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Synaptic Potentials

Synaptic Potentials. B.Sc 2002. Summation of EPSPs. Unless cell is already bombarded with other epsps, spatial or temporal summation is necessary to trigger an action potential

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The Nervous System

By Po-Han Chen. The Nervous System. What good does it make?.

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Chapter 1 Introduction to Neurocomputing

Chapter 1 Introduction to Neurocomputing. ???????? ??????? ??? (Chuan-Yu Chang ) ?? Office: ES 709 TEL: 05-5342601 ext. 4337 E-mail: chuanyu@yuntech.edu.tw. What is Neurocomputing?. Neurocomputing approach Involves a learning process within an ANN

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How Does the Brain Develop?

How Does the Brain Develop?. Everything we do, feel and say from infancy to the end of life reflect the functioning of our brain. How is the brain organized?. The Neuron. The neuron is the basic building block of the nervous system They are often grouped in bundles called nerves.

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Retinal Synaptogenesis in Mammals

Retinal Synaptogenesis in Mammals. Jon A. Wagnon. The Human Eye. Cross-section of the Eye. Cross-section of the Fovea. Beginning of Synaptogenesis. Neuron contacts target cell Synapse formation begins. Macaque Monkey. Genus Macaca Common research subject Similar eye formation to Humans

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Disrupting circadian rhythms can have consequences

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Peripheral Nervous System

Peripheral Nervous System. What do you see?. CNS AND PNS. Characteristics of the P.N.S. Nerves that branch out from brain, spinal column Not covered w/ meninges No CSF Divided into somatic and autonomic branches. 2 Divisions:. Somatic Nervous System CRANIAL & SPINAL nerves

277 views • 18 slides

Stephen D. Krashen Second Language Acquisition Theory

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8 October 2010 Lecturer Dr. Kim Nguyen

8 October 2010 Lecturer Dr. Kim Nguyen. Today: Two 1QQs Chapter 6 Section C Synapses p. 160-171 Monday lecture Chapter 6 D Structure of Nervous System special emphasis on Fig 6-44 p. 181 Lab Next Week Sensory Physiology: Data Collection for Abstracts

260 views • 15 slides

Synaptic plasticity

Synaptic plasticity. Definition. Alteration of synapse response to input. Synaptic plasticity. Relevance Adapting to environment Neurodevelopment Learning & memory. Examples. PTP versus fatigue LTP vs LTD. LTP. NMDA hypothesis. LTP. Presynaptic modification AA ? G-protein

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10 11 neurons (10 5 per mm 3 ) 10 15 synapses

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What is a synapse? 6.5.6

What is a synapse? 6.5.6. A junction that permits a neuron to pass a signal, electrical or chemical, to another cell Electrical Synapses Two neurons are close together , with gap junctions An impulse travels from one membrane to the next Causes a ction p otential in the second neuron

219 views • 6 slides

Reflex Arc

Reflex Arc. What is a Reflex arc?. Reflex arc. In a simple reflex arc, such as the knee jerk, a stimulus is detected by a receptor cell, which sends the message to the CNS via a sensory neurone.

728 views • 5 slides