Sensory Physiology. Sensation State of external/internal awareness Stimulus Receptor Nerve impulse...

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Sensory Physiology Sensory Physiology

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Transcript of Sensory Physiology. Sensation State of external/internal awareness Stimulus Receptor Nerve impulse...

Page 1: Sensory Physiology. Sensation State of external/internal awareness Stimulus Receptor Nerve impulse to brain.

Sensory PhysiologySensory Physiology

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SensationSensation

State of external/internal awarenessStimulusReceptorNerve impulse to brain

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Characteristics of SensationsCharacteristics of Sensations

Projection– Phantom Pain

AdaptationAfterimagesModality

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ReceptorsReceptors

DendritesGenerator potential

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Receptors according to Receptors according to stimulus locationstimulus location

ExteroceptorsEnteroceptors = VisceroceptorsProprioceptors

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Receptors according to Type Receptors according to Type of Stimulusof Stimulus

MechanoreceptorsThermoreceptorsChemoreceptorsPhotoreceptorsNociceptors (pain)

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Cutaneous SensationsCutaneous Sensations

Receptor Fields– Two point discrimination/threshold– Lateral inhibition

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Cutaneous SensationsCutaneous Sensations

Tactile sensations– Meissner’s corpuscles = Touch corpuscles– Hair root plexus– Free nerve endings

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Cutaneous SensationsCutaneous Sensations

Pressure sensations– Pacinian corpuscles

Thermal sensations– Free nerve endings

Pain sensation– Free nerve endings– Referred pain

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Proprioceptive Sensations = Proprioceptive Sensations = Kinesthetic SenseKinesthetic Sense

Muscle spindles = Intrafusal fiber– Stretch receptors

Tendon organs = Golgi tendon organs– Contraction receptors

Misc. joint receptors

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SPECIAL SENSESSPECIAL SENSES

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OlfactionOlfaction

Receptors in upper nasal mucosaOlfactory nerveOlfactory bulbOlfactory tractTemporal lobe of cerebral cortex

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GustationGustation

Taste buds are receptorsTaste poreLiquidTaste zones

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GustationGustation

Sensory nerve fibers– Facial– Glossopharyngeal– Vagus

Brain stemThalamusParietal lobe of cerebral cortex


Unit 4: Sensation and Perception · 2014-10-17 · Sensation and Perception . ... Sensation = the process by which our sensory receptors and nervous system receive and represent stimulus

Unit 4: Sensation and Perception · 2014-10-17 · Sensation and Perception . ... Sensation = the process by which our sensory receptors and nervous system receive and represent stimulus

CHAPTER 7 Perception. SENSATION VS. PERCEPTION Sensation involves receiving the stimulus Perception is the brain’s interpretation of the stimuli.

CHAPTER 7 Perception. SENSATION VS. PERCEPTION Sensation involves receiving the stimulus Perception is the brain’s interpretation of the stimuli.

Stimulus Artifact Suppression Using the Stimulation Synchronous ... · Stimulus Artifact Suppression Using the Stimulation Synchronous Adaptive Impulse Correlated Filter for Surface

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1 Sensation Chapter 5. 2 Sensation & Perception Sensation: detecting physical energy (a stimulus) from the environment & converting it into neural signals.

1 Sensation Chapter 5. 2 Sensation & Perception Sensation: detecting physical energy (a stimulus) from the environment & converting it into neural signals.

Sensation and Perception. Sensation Sensation: The process of detecting a stimulus (something that attracts the attention of a sensory organ) the stimulation.

Sensation and Perception. Sensation Sensation: The process of detecting a stimulus (something that attracts the attention of a sensory organ) the stimulation.

Sensation and Perception Chapter Four. Sensation vs. Perception Sensation: the process of detecting a stimulus such as light waves (vision) sound.

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Sensation - Typepad · Sensation Chapter 5 ... Myers Chapter 5 PowerPoint Slides, Aneeq Ahmad 2 4 Sensation Vision Visual Information Processing Color Vision Hearing The Stimulus

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Chapter 15 Perceptual Development...repeated presentation, the infant looks less as the stimulus. When a new stimulus is introduced, looking time goes up. Experiencing Sensation and

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Sensation and Perception. Sensation: What is it? The process by which a stimulus in the environment produces a neural impulse that the brain interprets.

Sensation and Perception. Sensation: What is it? The process by which a stimulus in the environment produces a neural impulse that the brain interprets.

SENSATION AND PERCEPTION. Sensation—the process of detecting a physical stimulus Perception—the process of integrating, organizing and interpreting sensations.

SENSATION AND PERCEPTION. Sensation—the process of detecting a physical stimulus Perception—the process of integrating, organizing and interpreting sensations.

Sensation and Perception Sensation is the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment.

Sensation and Perception Sensation is the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment.

Sensation and Perception - webs.wofford.eduwebs.wofford.edu/...SensationPerception_vision_150.pdf · Sensation v. Perception • Sensation vs. Perception • Physical stimulus Physiological

Sensation and Perception - webs.wofford.eduwebs.wofford.edu/...SensationPerception_vision_150.pdf · Sensation v. Perception • Sensation vs. Perception • Physical stimulus Physiological

Sensation. The process by which our five senses and nervous system receive stimulus from the environment.

Sensation. The process by which our five senses and nervous system receive stimulus from the environment.

Sensation and Empiricismfac.hsu.edu/ahmada/3 Courses/0 General Psychology Honors...1 Chapter 5: Perception 2 Sensation and Empiricism 1. In sensation we studied stimulus features of

Sensation and Empiricismfac.hsu.edu/ahmada/3 Courses/0 General Psychology Honors...1 Chapter 5: Perception 2 Sensation and Empiricism 1. In sensation we studied stimulus features of

Sensation and Perception. Sensation- How are sensory receptors and nervous system receive information (stimulus) from the environment Perception-

Sensation and Perception. Sensation- How are sensory receptors and nervous system receive information (stimulus) from the environment Perception-

Sensation and Perception. Transformation of stimulus energy into a meaningful understanding Each sense converts energy into awareness.

Sensation and Perception. Transformation of stimulus energy into a meaningful understanding Each sense converts energy into awareness.

Sensation Chapter 5. Sensation Sensing the World: Some Basic Principles Threshold Sensory Adaptation Vision The Stimulus Input: Light Energy The Eye.

Sensation Chapter 5. Sensation Sensing the World: Some Basic Principles Threshold Sensory Adaptation Vision The Stimulus Input: Light Energy The Eye.

Subject: Sensation and Perception · 2.5 Auditory Sensation and Perception 2.5.1 Hearing 10 2.5.2 Stimulus Input: Sound Waves 10 2.5.3 The Ear 10 2.5.4 Hearing Different Pitches 11

Subject: Sensation and Perception · 2.5 Auditory Sensation and Perception 2.5.1 Hearing 10 2.5.2 Stimulus Input: Sound Waves 10 2.5.3 The Ear 10 2.5.4 Hearing Different Pitches 11

Sensation Chapter 5 Myers AP Psychology. Transduction Conversion of one form of energy into another. In sensation, the transforming of stimulus energies,

Sensation Chapter 5 Myers AP Psychology. Transduction Conversion of one form of energy into another. In sensation, the transforming of stimulus energies,

Sensation & Perception Chapters 5&6 Sensation zSensation ya process by which our sensory receptors and nervous system receive and represent stimulus.

Sensation & Perception Chapters 5&6 Sensation zSensation ya process by which our sensory receptors and nervous system receive and represent stimulus.