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Object recognition in clutter: selectivity and invariance
Object recognition in clutter: selectivity and invariance

... neuron response to its preferred stimulus when an additional “clutter” stimulus is simultaneously present in its receptive field [4, 5]. However, the relationship between position-, shape-, and clutter- sensitivity of IT neurons has not been yet systematically assessed. Motivation: Understanding how ...
Biological Determinants of Behaviour
Biological Determinants of Behaviour

... of functions. located below the thalamus just above the brain stem. Links the nervous system to the endocrine system via the pituitary. The hypothalamus is responsible for certain metabolic processes and other activities of the autonomic nervous system. It synthesizes and secretes neurohormones, oft ...
Memory Maintenance in Synapses with Calcium
Memory Maintenance in Synapses with Calcium

... Synaptic plasticity is widely believed to be the main mechanism underlying learning and memory. In recent years, several mathematical plasticity rules have been shown to fit satisfactorily a wide range of experimental data in hippocampal and neocortical in vitro preparations. In particular, a model ...
One difference between axons and dendrites is that
One difference between axons and dendrites is that

... B. Parasympathetic C. Somatic D. Sympathetic While walking in the woods, Amy sees a bear. The sympathetic branch of her autonomic nervous system activates. What is the most likely result? A. She remains calm and tries to conserve her body's energy. B. She begins to sweat, and her heartbeat quickens. ...
Chapter 2 ciccarelli
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... Somatic and autonomic nervous systems Study of the brain and how it works Structures and functions of the bottom part of the brain Structures that control emotion, learning, memory, motivation Parts of cortex controlling senses and movement Parts of cortex responsible for higher forms of thought Dif ...
Nervous Systems II PPT
Nervous Systems II PPT

... due to its ability to speed up transmission to its farthest parts from the CNS. ...
The Science of Psychology
The Science of Psychology

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Ch. 2 ppt
Ch. 2 ppt

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1. Impulse Conduction

... a) Strength and speed = strength and speed of impulse conduction stays constant but can vary with nerve fibres of different sizes – the larger the nerve fibre the stronger the impulse and faster it is conducted b) Frequency = although impulse conduction is a all or nothing thing the intensity of the ...
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The Science of Psychology
The Science of Psychology

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Mader/Biology, 11/e – Chapter Outline
Mader/Biology, 11/e – Chapter Outline

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Chapter 21 - The Nervous System: Organization
Chapter 21 - The Nervous System: Organization

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The Role of Neurotrophins in Neurotransmitter Release
The Role of Neurotrophins in Neurotransmitter Release

... The neurotrophins (NTs) have recently been shown to elicit pronounced effects on quantal neurotransmitter release at both central and peripheral nervous system synapses. Due to their activitydependent release, as well as the subcellular localization of both protein and receptor, NTs are ideally suit ...
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... to perceive the world, and respond to everything we encounter. With so much to take in, how does the brain focus and make sense of what’s happening? Can emotions control the brain? Where does the brain store a memory? Follow along with high school senior Lea as she auditions for the prestigious danc ...
Syllabus - University of Pennsylvania
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... of the decision process in the human brain, from identification of choice options, to the calculation of their utility, to selecting one for consumption, and learning from this experience. We are also beginning to understand how fundamental economic principles like risk, ambiguity, and volatility sh ...
Chapter One: What is the Nervous System
Chapter One: What is the Nervous System

... the halves.ii An adult brain weighs about three pounds. A newborn baby’s brain weighs approximately 350-400 grams, about 1/5th the size of an adult brain, which is 1,500 grams or about 3 pounds. Between birth and age 12 the brain grows rapidly. By age 12 the brain has reached adult size. 1 The skull ...
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Updating a Research Agenda for Cerebral Palsy Drs. Laura

... rehabilitation of trunk and limb motor control The added value of VREs is the ability to incorporate attributes important for motor learning  Exercise intensity  Feedback on specificity of movement  Motivation/Engagement There are few published studies of VR and CP, however they have consistently ...
The vertebrate nervous system is regionally specialized
The vertebrate nervous system is regionally specialized

... output to effector cells. The CNS integrates information, while the nerves of the peripheral nervous system (PNS) transmit sensory and motor signals between the CNS and the rest of the body. The three stages are illustrated in the knee-jerk reflex. Neuron structure Most neurons have highly branched ...
Biology 12 Nervous System Major Divisions of Nervous System 1
Biology 12 Nervous System Major Divisions of Nervous System 1

... • In the centre of the neuron are large negatively charged units which are responsible for the net negative potential in the resting state. These units do not move even when an impulse is traveling. ...
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PSB 4002 - Developmental Psychobiology Laboratory
PSB 4002 - Developmental Psychobiology Laboratory

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Mirror Neurons And Intention Detection
Mirror Neurons And Intention Detection

... Separate from but builds on other mental abilities that may be shared with non-human primates and other mammals. Only humans have a complete TOMM. ...
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Activity-dependent plasticity

A defining feature of the brain is its capacity to undergo changes based on activity-dependent functions, also called activity-dependent plasticity. Its ability to remodel itself forms the basis of the brain’s capacity to retain memories, improve motor function, and enhance comprehension and speech amongst other things. It is this trait to retain and form memories that is functionally linked to plasticity and therefore many of the functions individuals perform on a daily basis. This plasticity is the result of changed gene expression that occurs because of organized cellular mechanisms.The brain’s ability to adapt toward active functions has allowed humans to specialize in specific processes based on relative use and activity. For example, a right-handed person may perform any movement poorly with his/her left hand but continuous practice with the less dominant hand can make both hands just as able. Another example is if someone was born with a neurological disorder such as autism or had a stroke that resulted in a disorder, then they are capable of retrieving much of their lost function by practicing and “rewiring” the brain in order to incorporate these lost manners. Thanks to the pioneers within this field, many of these advances have become available to most people and many more will continue to arrive as new features of plasticity are discovered.
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