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nervous system

chapter 49 campbell biology slideshare

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1 Lectures Prepared by Dr Melchor L. Bareng, MSc., MSc., Biology Professor, Pre Medical Department, College of Medicine PowerPoint? Lecture Presentations for Biology Texila American University Chapter 3 Nervous Systems Learning Objectives: 1. Compare and contrast the nervous systems of: hydra, sea star, planarian, nematode, clam, squid, and vertebrate. 2. Distinguish between the following pairs of terms: central nervous system, peripheral nervous system; white matter, gray matter; bipolar disorder and major depression. 3. List the types of glia and their functions. 4. Compare the three divisions of the autonomic nervous system. 5. Describe the structures and functions of the following brain regions: medulla oblongata, pons, midbrain, cerebellum, thalamus,

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.

Psyc Ch. 1-4

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*Final Exam: Thursday of Finals Week 8:00 PM - 10:00 PM in LH002 CHAPTER 1 Psychology Perspectives: Biological Behavioral Cognitive Psychodynamic Humanistic Sociocultural *Evolutionary psychology Eternally unresolved issues stability vs. change how stable are the traits and characteristics for an individual across a life span stages vs. linear development an individual is made up of his/her personal experiences as we progress through all stages, do individuals gradually collect skills and abilities that aggregate over time or do they appear spontaneously puberty is an example of a spontaneous change in physiology rationality vs. irrationality why do we use our rationale to resolve the irrational; how? nature vs. nurture genes vs. environment

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

Weiten Chapter 4

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Chapter 4: Sensation and Perception Vision: The Stimulus Light = electromagnetic radiation Amplitude: perception of brightness Wavelength: perception of color Purity: mix of wavelengths perception of saturation, or richness of colors. The Eye: A Living Optical Instrument The eye: housing and channeling Components: Cornea: where light enters the eye Lens: focuses the light rays on the retina Iris: colored ring of muscle, constricts or dilates via amount of light Pupil: regulates amount of light Figure 4.2 The human eye The Retina: The Brain?s Envoy in the Eye Retina: absorbs light, processes images Optic disk: optic nerve connection/blind spot Receptor cells: Rods: black and white/low light vision Cones: color and daylight vision

AP psych chapter 4 study guide

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Chapter 4: Sensation and Perception Study Guide ? Absolute Threshold: The minimum stimulus intensity that an organism can detect for a specific type of sensory input. Just Noticeable Difference (JND): The smallest difference in stimulus intensity that a specific sense can detect. The JND is a constant proportion of the size of the initial stimulus. Subliminal: ?Below Threshold? Subliminal Perception: The registration of sensory input without conscious awareness. Signal Detection Theory: The detection of stimuli involves decision processes as well as sensory processes, which are both influenced by a variety of factors besides stimulus intensity. Hits: Detecting signals when they are present. Miss: Failing to detect signals when they are present.

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.

AP Psych Biopsych test review

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The Nervous System Nervous System the body?s speedy, electrochemical communication network, consisting of all the nerve cells of the peripheral and central nervous systems Central Nervous System (CNS) the brain and spinal cord A Simple Reflex Spinal Cord Injuries Types Complete : Spinal Cord has been completely transected Incomplete: Portions of the spinal cord have been damaged Paralysis occurs from the site of the injury, down Types of Injuries Cervical (results in paralysis from neck down) Thoracic (results in paralysis from the chest down) Lumbar (results in paralysis from the waist down) Peripheral Nervous System (PNS) the sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body. Further Divided into Somatic Nervous System

AP Psych Biopsych test review

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Nature versus nurture
Central nervous system
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Genetics
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The Nervous System Nervous System the body?s speedy, electrochemical communication network, consisting of all the nerve cells of the peripheral and central nervous systems Central Nervous System (CNS) the brain and spinal cord A Simple Reflex Spinal Cord Injuries Types Complete : Spinal Cord has been completely transected Incomplete: Portions of the spinal cord have been damaged Paralysis occurs from the site of the injury, down Types of Injuries Cervical (results in paralysis from neck down) Thoracic (results in paralysis from the chest down) Lumbar (results in paralysis from the waist down) Peripheral Nervous System (PNS) the sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body. Further Divided into Somatic Nervous System

AP Psychololgy Neuroscience and Behavior

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AP Psychology Mr. Laminsky Unit 2?Neuroscience and Behavior Note Card List neuron dendrite axon myelin sheath action potential threshold synapse neurotransmitters acetylcholine endorphins central nervous system peripheral nervous system sensory neurons interneurons (association neurons) motor neurons somatic nervous system sympathetic nervous system parasympathetic nervous system neural networks lesion EEG CT PET MRI medulla thalamus cerebellum amygdala hympothalamus cerebral cortex glial cells frontal lobes parietal lobes occipital lobes temporal lobes motor cortex sensory cortex aphasia Broca?s area Wernicke?s area plasticity split brain endocrine system hormones adrenal glands pituitary glands AP Psychology Name:

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