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Chemical synapse

Chapter 3 Outline Notes Psychology Weiten 7th Edition

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Johnny Cedrin Per 4 1/08/10 AP Psychology Outline Chapter 3: The Biological Bases of Behavior Red ? Definition Blue - Important Points Green - Important People & Contributions Nervous System: The Basics Neurons ? Individual cells in the nervous system that receive, integrate, and transmit information. They are basic links that allow communication within the Nervous System. Soma ? Cell Body of the neuron that contains the nucleus and much of cells normal organs. Dendrite ? Parts of a Neuron that receives information. Axon ? Long fiber that transmits information away to other neurons, muscles, or glands. Myelin Sheath ? Insulating Material that encases some Axons. It speeds up to transmission of information.

Weiten Chapter 3

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Chapter 3: The Biological Bases of Behavior Communication in the Nervous System Glia ? structural support and insulation Neurons ? communication Soma ? cell body Dendrites ? receive Axon ? transmit away Myelin sheath ? speeds up transmission Terminal Button ? end of axon; secretes neurotransmitters Neurotransmitters ? chemical messengers Figure 3.1 Structure of the neuron The Neuron at Rest Hodgkin & Huxley (1952) - giant squid Fluids inside and outside neuron Electrically charged particles (ions) Neuron at rest ? negative charge on inside compared to outside -70 millivolts ? resting potential The Action Potential Stimulation causes cell membrane to open briefly Positively charged sodium ions flow in Shift in electrical charge travels along neuron The Action Potential

The Biological Bases of Behavior

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Grant Clay Period 3 9/7/08 AP Psychology Outline Chapter 3: The Biological Bases of Behavior Red ? Definition Blue - Important Points Green - Important People & Contributions Nervous System: The Basics Neurons ? Individual cells in the nervous system that receive, integrate, and transmit information. They are basic links that allow communication within the Nervous System. Soma ? Cell Body of the neuron that contains the nucleus and much of cells normal organs. Dendrite ? Parts of a Neuron that receives information. Axon ? Long fiber that transmits information away to other neurons, muscles, or glands. Myelin Sheath ? Insulating Material that encases some Axons. It speeds up to transmission of information.

Psych Outline- Biological Bases of Behavior

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AP Psychology Outline Chapter 3: The Biological Bases of Behavior Red ? Definition Blue - Important Points Green - Important People & Contributions Nervous System: The Basics Neurons ? Individual cells in the nervous system that receive, integrate, and transmit information. They are basic links that allow communication within the Nervous System. Soma ? Cell Body of the neuron that contains the nucleus and much of cells normal organs. Dendrite ? Parts of a Neuron that receives information. Axon ? Long fiber that transmits information away to other neurons, muscles, or glands. Myelin Sheath ? Insulating Material that encases some Axons. It speeds up to transmission of information.

chapter 48-50 biology slides

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#AP Bio #CampbellBiology

Chapter 48 Nervous System LE 48-2a Nerve net Hydra (cnidarian) Radial nerve Nerve ring Sea star (echinoderm) LE 48-2b Eyespot Brain Nerve cord Transverse nerve Planarian (flatworm) Brain Ventral nerve cord Segmental ganglion Leech (annelid) LE 48-2c Insect (arthropod) Chiton (mollusc) Brain Ventral nerve cord Segmental ganglia Anterior nerve ring Longitudinal nerve cords Ganglia LE 48-2d Brain Ganglia Squid (mollusc) Brain Salamander (chordate) Spinal cord (dorsal nerve cord) Sensory ganglion The Mammalian Brain Human LE 48-3 Sensor Sensory input Motor output Integration Effector Peripheral nervous system (PNS) Central nervous system (CNS) LE 48-4 Quadriceps muscle Cell body of sensory neuron in dorsal root ganglion Sensory neuron Spinal cord (cross section)
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