PPT-Introduction Action Potential in the Nervous System

Conveys information over long distances Cytosol has negative charge relative to extracellular space Neural code frequency and pattern Action potential Spike Nerve impulse Discharge Properties of the Action Potential. The Brain and Behavior:. Divisions of the Nervous System. Neurons – Structure and Communication. Structures and Functions of the Brain. Brain Damage, Plasticity, and Repair. Nervous System. Central Nervous . A). Neurology. – study of nervous system. B) . neuron. s. – conducting cells of the nervous system, normally do not divide (non-mitotic). C) . neuroglia. – supporting cells of the nervous system, mitotic, numerous. Ch. 48-50. Introducing…..your best friend, the Neuron. Neuron = basic structural unit. Cell body (soma. ): . contains nucleus & organelles. Dendrite: . receives stimuli. Axon: . sends nerve . impulses. What you need to know:. Three Basic Functions. Functional Organization. Neuron Structure. Reflex Arcs. Nerve Impulse physiology. Brain Structure/Function. Basic Functions. of the. Nervous System. Chapters 27. “Our conscious model of reality is low-dimensional projection of the inconceivably richer physical reality surrounding and sustaining us. Our sensory organs are . limited.They. . evolved for reasons of survival, not for depicting the enormous wealth and richness of reality in all its unfathomable depth”. All About Neurons. Neurons. are highly-specialized cells used by the nervous system to detect signals and transmit them to other neurons or response . effectors. (muscles or glands). Neuron Anatomy. THE CENTRAL . NERVOUS SYSTEM. The nervous system is divided into two subunits. Central nervous system . (. CNS. ) . Brain . spinal cord.. Peripheral nervous system. Any part of nervous system outside of CNS. Sept 20, 2011. Group 4. Physiology of the Nervous System . Functions and Divisions. Nervous Tissue. Neurons and . neuroglia. Types. Nerve signal and transmission. Central Nervous System. Brain and spinal cord. Neuroscience and Behavior. Neural Communication. Neurons. How Neurons Communicate. How Neurotransmitters Influence Us. The . Nervous System. The Peripheral Nervous System. The Central Nervous . System. to study sensory neuron action potentials. .. Kenneth G. . Sossa. &. Wes . Colgan. , III. Neuroscience: Love and Motivation. Trained mammalian neuroscientist working at an institution without a . The Nervous system. The nervous system . is . made up of many different organs, such as the brain, spinal cord and . sensory organs. . This highly complex system is responsible for several different activities, such as communicating, coordinating, controlling and regulating. . Today. ’. s lecture. -What are nervous systems for. -A diversity of nervous system organizations. -Information processing. -A review of neuron structure. -Resting Potential. -Action potentials. -Synapses and neurotransmitters. Dept of . Zoology,MRGC. , . OBJECTIVES:. TO STUDY. ............ TYPES OF NEURONS. FUNCTIONS OF NERVOUS SYSTEM. IMPORTANT TERMS. PHYSIOLOGY OF NERVE IMPULSE. 3. rd. Semester Zoology (Major)-CC IV: Controlling and Coordinating System :Nervous system: Physiology of nerve impulse conduction. Chemical Signals – CH 45. Nervous Signals– CH 48. Nervous System – CH 49. 1. Chapter 45. Hormones and the Endocrine System. 2. Hormone. .  chemical excreted into body fluids. - used for communication within an organism.