Axon

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SEQ CHAPTER \h \r 1AP Psychology Name Unit III: Biological Bases of Behavior Homework Assignments Read the assigned pages of your textbook for understanding of the content. To do this you need to (1) answer the provided guided reading questions OR (2) take notes on your own. You do NOT need to do both! Module 9: pages 76-80 What is the main focus of biological psychology? The main focus of biological psychology are the links between biological and psychological processes. What is a neuron? A neuron is a nerve cell; the basic building block of the nervous system. Identify the parts of a neuron. Dendrite: a neuron?s bushy, branching extensions that receive messages and conduct impulses toward the cell body

Neural Development ppt

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Neuroscience

Developmental biology

Developmental neuroscience

Neurulation

Neural development

Axon

Neuroglia

Nervous system

Neurula

Nerve

A.1 Neural Development Paper 3 Topic I. Neural Tube Development a) The neural tube of embryonic chordates is formed by in folding of ectoderm followed by elongation of the tube. b) All chordates develop a dorsal nerve cord through a process called neurulation in early stages of development c) The cells located in a portion of the middle of the ectoderm (dorsally located) differentiate to form the neural plate d) The ectoderm is separated from the neural plate by the neural plate border I. Neural Tube Development-continued e) The cells of the neural plate change shape, causing the plate to bend inwards and form a groove. The border is now called the neural crest. f) The in folded neural crest closes and separates from ectoderm forming the neural tube

Ch 28 Biology

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Neuroscience

Cellular neuroscience

Axon

Brain

Topic 6.5 The Nervous System 0 IB Objectives Neurons transmit electrical impulses. The myelination of nerve fibers allows for saltatory conduction. Neurons pump sodium and potassium ions across their membranes to generate a resting potential An action potential consists of depolarization and repolarization of the neuron. Nerve impulses are action potentials propagated along the axons of neurons. Propagation of nerve impulses is the result of local currents that cause each successive part of the axon to reach the threshold potential. Synapses are junctions between neurons and between neurons and receptor or effector cells. When presynaptic neurons are depolarized they release a neurotransmitter into the synapse.

Module 4 part 1

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Axon

Myelin

Motor neuron

Cellular neuroscience

Action potential

Doreen Pang Mrs. Trainor AP Psychology 5 October 2016 Module 4-1: Neural and Hormonal Systems Neural Communication Body?s info sys. is built from billions of neurons Systems are composed of smaller subsystems Biophysical systems Smaller system in med sys. in large sys. Biological psychologists Branch of psychology concerned with the links btwn biology and behvaior. gaining better understanding of: Sleep and dreams depression and schizophrenia hunger and sex stress and disease Neurons Neurons building blocks of the nervous system Dendrite fibers on a neuron that receive info and conduct it toward the cell body Axon fibers that pass the message along to other neurons Dendrites speaks, Axons listen Motor neurons controls muscles neural system?s giant redwoods Myelin Sheath

sciencee

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Anatomy

Nervous system

Sympathetic nervous system

Nervous tissue

Spinal cord

Motor neuron

Nerve

Axon

Brain

Autonomic nervous system

Health

Biology Chapter 46 Homework Xitlali Sedano P.3 4/12/12 Biology Muscle Tissue Is composed of cells that contract Every function that muscle tissue performs- from creating a facial expression to keeping the eye in focus- is carried out by groups of muscle cells that contract in a coordinate fashion There are three types of muscle tissues Skeletal Muscle Moves the bones in your trunk, limbs and face Smooth Muscle Handles body functions that you cannot control consciously such as the movement of food through your digestive system Cardiac Muscle Is found in your heart It pumps blood through your muscles Nervous Tissues Contains cells that receive and transmit messages in the form of electrical impulses Makes up the human brain, spinal cord and nerves

Myers Psychology Chapter 2 Vocabulary (6th Edition)

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Neurophysiology

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Neuroanatomy

Myers Psychology Ch2 Vocab Vocabulary

Axon

Action potential

Synapse

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Biological Psychology – Focuses on links between biology and behavior. Neuron – A nerve cell Dendrite – Branching extension, receives messages Axon – Extension of a neuron, sends messages Myelin Sheath – Helps protect and insulate Action potential – A neural impulse, electrical charge that travels down the axon. Threshold – the level of stimulation required to trigger a neural impulse. Synapse – The junction between the axon tip (send) and the dendrite (receive) Neurotransmitters – Chemical messengers that traverse the synaptic gaps between neurons. Acetylcholine – Triggers muscle contractions Endorphins – “Natural morphine”, Pain control and pleasure. Nervous system – Electrochemical communication system of the body

Neurotransmitters and The Parts of a Neuron

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