THIRD EDITION HUMAN PHYSIOLOGY AN INTEGRATED APPROACH Dee

THIRD EDITION HUMAN PHYSIOLOGY AN INTEGRATED APPROACH Dee Unglaub Silverthorn, Ph.D. Chapter 10, part A Sensory Physiology

PowerPoint Lecture Slide Presentation by Dr. Howard D. Booth, Professor of Biology, Eastern Michigan University Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings About this Chapter What are the senses How sensory systems work Body sensors and homeostatic maintenance

Sensing the external environment Mechanisms and pathways to perception Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings General Properties of Sensory Systems Stimulus Internal External

Energy source Receptors Sense organs Transducer Afferent pathway CNS integration Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings General Properties of Sensory Systems

Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 10-4: Sensory pathways Sensory Receptor Types Structural types: 1. Simple receptors 2. Complex neural

3. Special senses Types according to the nature of stimulus 1. Chemoreceptors 2. Mechanoreceptors 3. Thermoreceptors 4. Photoreceptors Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings

Sensory Receptor Types Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 10-1: Sensory receptors Special Senses External Stimuli Vision

Hearing Taste Smell Equilibrium Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Special Senses External Stimuli

Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 10-4: Sensory pathways Somatic Senses Internal Stimuli Touch Temperature Pain

Itch Proprioception Pathway Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 10-10: The somatosensory cortex Somatic Pathways

Receptor Threshold Action potential Sensory neurons Primary medulla Secondary thalamus Tertiary cortex Integration Receptive field

Multiple levels Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Somatic Pathways Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 10-9: Sensory pathways cross the bodys midline

Sensory Modality Location Lateral inhibition Receptive field Intensity Duration Tonic receptors Phasic receptors Adaptation

Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Sensory Modality Figure 10-3: Two-point discrimination Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Sensory Modality

Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 10-6: Lateral inhibition Touch (pressure) Mechanoreceptors Free nerve endings Pacinian corpuscles Ruffini corpuscles

Merkel receptors Meisaner's corpuscles Barroreceptors Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Touch (pressure) Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings

Figure 10-11: Touch-pressure receptors Temperature Free nerve endings Cold receptors Warm receptors Pain receptors Sensory coding:

Intensity Duration Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Temperature Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings

Figure 10-7: Sensory coding for stimulus intensity and duration Pain and Itching Nociceptors Reflexive path Itch Fast pain Slow pain

Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Pain and Itching Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 10-12: The gate control theory of pain modulation

Referred Pain Copyright 2004 Pearson Education, Inc., publishing as Benjamin Cummings Figure 10-13: Referred pain

Recently Viewed Presentations

  • Preparing for the ACMTM Examination - Case management

    Preparing for the ACMTM Examination - Case management

    Preparing for the ACM™ Examination. ... (RN) applicant must possess a valid and current nursing license. RN applicants must provide a nursing license number, state and expiration date. ... and hospitals must have in place a process to identify, early...
  • Engine Terminology - Centennial College

    Engine Terminology - Centennial College

    Engine Terminology Introduction to Measuring Instruments Lesson 1 Class Room Exercise Introduction to Measuring Devices Outside Micrometer Vernier Caliper (with dial gauge) Telescopic Gauges Small Hole Gauges Straight Edge Feeler Gauges Dial Indicators Micrometer Components Micrometer Measuring Points Checking Camshaft...
  • CTM for 1C - The Citadel

    CTM for 1C - The Citadel

    CTM for 1C and the Senior Mentor Program. CTM 1-1. ... During the drill period, selected sword bearers circulate and make individual corrections. ... "Sandwich" the conversation by beginning and ending on a positive note. Restore and maintain the relationship....
  • How to be Uncertain (and how to be less uncertain)

    How to be Uncertain (and how to be less uncertain)

    Tony O'Hagan. Outline. Language. Chinese whispers. The language of statistics. Probability 'The' or 'Your' ...
  • Enterprise Resource Planning ERP - City of Pasadena

    Enterprise Resource Planning ERP - City of Pasadena

    Authorize the City Manager to enter into a three-year contract with Tyler Technologies, Inc. to furnish and deliver software, hardware, and services for an Enterprise Resource Planning System in an amount not to exceed $3,434,400 which includes the base contract...
  • Condicionantes Geográficos (Físicos Y Humanos) De La ...

    Condicionantes Geográficos (Físicos Y Humanos) De La ...

    - Elevada altitud media (660 m.s.n.m.) debido a la existencia de altas cordilleras y a la existencia de la Meseta interior con alturas comprendidas entre los 600 y 800 m. - Gran compartimentación del relieve: como resultado de su larga...
  • Step 5: Grantee Evaluation State Evaluation Team at

    Step 5: Grantee Evaluation State Evaluation Team at

    There are 6 types of CSAP Strategy Types to choose from, but the majority of the coalitions' strategies fall into Environmental or Information Dissemination strategies. Grant focus on environmental change. There are 3 general data reporting requirements: Activity tracking: Types...
  • Iowa Caucuses - UT Liberal Arts

    Iowa Caucuses - UT Liberal Arts

    Iowa Caucuses. An Imperfect Political Weather Vane. ON TUESDAY, perhaps 100,000 to 150,000 Iowans will gather in buildings ranging from high school gymnasiums to small airports. They will munch leftover Christmas treats and cast ballots in a straw poll, which...