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Cellular neuroscience

Chapter 3 Outline Notes Psychology Weiten 7th Edition

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Biology
neuroscience
nervous system
Neurobiology
Neurophysiology
Cellular neuroscience
Neuron
brain
Chemical synapse
Neuroglia
Motor neuron
Neurotransmitter
health

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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Chemical synapse
Neuron
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Synapse
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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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Psychology
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Biology
neuroscience
nervous system
Neurobiology
Neurophysiology
Cellular neuroscience
Neuron
brain
Chemical synapse
Neuroglia
Motor neuron
Neurotransmitter
health

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.

Chapter 50 notes

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Biology
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Sensory receptors
Electrophysiology
Cellular neuroscience
Cell Signaling
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Sensory neuron
Neuron
Somatosensory system
Action potential
Signal transduction
Axon
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#AP Bio #CampbellBiology

Ch 50. Sensory and Motor Mechanisms 50.1 ? sensory receptors transduce stimuli energy and transmit signals to the central nervous system by changing membrane potential. Reflex= simplest response circuit Star nosed mole that tactile ( touch) sensors on nose. Sensory Pathways have 4 functions: Sensory reception, transduction, transmission, perception Sensory reception- detection of a stimulus by sensory cells. Specialized nerurons or epithelial cells Exitst signally or in organs like eyes and ears Sensory receptor- descres a sensory cell or organ and he subcellular structure that interacts directly with simuli Detect stimuli OUTside of body like heat, light, and pressure, and chemicals. Inside body include body position, blood pressure, etc

chapter 48-50 biology slides

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Neurophysiology
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Cellular neuroscience
Neuron
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Action potential
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Chemical synapse
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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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