Lecture 12
... • Correspondence between – pattern of two-point thresholds across body – cortical magnification in sensory homunculus • factors – receptor density at the skin, – receptive field size ...
... • Correspondence between – pattern of two-point thresholds across body – cortical magnification in sensory homunculus • factors – receptor density at the skin, – receptive field size ...
Nervous System
... Pinna (auricle) collect the sound Sound waves travel down the auditory canal Sound waves hit the tympanic membrane (eardrum) ...
... Pinna (auricle) collect the sound Sound waves travel down the auditory canal Sound waves hit the tympanic membrane (eardrum) ...
Receptor potential
... How is INTENSITY of stimulus detected? The stronger the stimulus, – the more neurotransmitter released by the receptor cell and – the more frequently the sensory neuron transmits action potentials to the brain. ...
... How is INTENSITY of stimulus detected? The stronger the stimulus, – the more neurotransmitter released by the receptor cell and – the more frequently the sensory neuron transmits action potentials to the brain. ...
Class 1 notes
... Clinical tests for parietal lobe function include tests for agnosia (can you identify stuff by touch), apraxia (can you do purposeful motor acts upon command), constructional apraxia (can you draw objects which require use of visual spatial organization – simple objects). Occipital lobe Visual area ...
... Clinical tests for parietal lobe function include tests for agnosia (can you identify stuff by touch), apraxia (can you do purposeful motor acts upon command), constructional apraxia (can you draw objects which require use of visual spatial organization – simple objects). Occipital lobe Visual area ...
Breakdown of the Nervous System
... iii) Broca’s area (a) lies anterior & inferior to premotor cortex (b) involved in speech production (c) only in one hemisphere (usually left) iv) frontal eye field (a) lies anterior to premotor cortex and superior to Broca’s area (b) responsible for voluntary eye movements b) sensory areas i) primar ...
... iii) Broca’s area (a) lies anterior & inferior to premotor cortex (b) involved in speech production (c) only in one hemisphere (usually left) iv) frontal eye field (a) lies anterior to premotor cortex and superior to Broca’s area (b) responsible for voluntary eye movements b) sensory areas i) primar ...
Central Nervous System
... (ii) Broca’s area (a) associated with speech production (iii) lateral prefrontal cortex (a) associated with language comprehension and word analysis (iv) lateral & ventral temporal lobes (a) coordinates auditory & visual aspects of ...
... (ii) Broca’s area (a) associated with speech production (iii) lateral prefrontal cortex (a) associated with language comprehension and word analysis (iv) lateral & ventral temporal lobes (a) coordinates auditory & visual aspects of ...
Nervous System Structure
... You fight off the bear and the danger is over. This calls for "Rest and Digest" responses. Now is the time for the parasympathetic nervous to work to ...
... You fight off the bear and the danger is over. This calls for "Rest and Digest" responses. Now is the time for the parasympathetic nervous to work to ...
B) Central Nervous System NTG spring 2010
... – Larger areas next to the corresponding sensory cortex – Integrate sensory information from sensory cortex with past experiences – This allows us to identify objects by touch or to identify sounds as music or speech Wernicke’s area – Only in left ___________ lobe – Recognizes spoken words, translat ...
... – Larger areas next to the corresponding sensory cortex – Integrate sensory information from sensory cortex with past experiences – This allows us to identify objects by touch or to identify sounds as music or speech Wernicke’s area – Only in left ___________ lobe – Recognizes spoken words, translat ...
Chapter 10
... Threshold stimulus = the minimum stimulus required to activate a receptor Generator potential – = graded potentials whose amplitude is proportional to the strength of the stimulus I.E. stronger stimulus, stronger generator potential If generator potential reaches threshold, it initiates an action po ...
... Threshold stimulus = the minimum stimulus required to activate a receptor Generator potential – = graded potentials whose amplitude is proportional to the strength of the stimulus I.E. stronger stimulus, stronger generator potential If generator potential reaches threshold, it initiates an action po ...
Somatic senses
... and has connection with it Integrates sensory information like temperature and pressure coming from the primary somatosensory cortex. Forms understanding of the stimulus like size, texture, and relationship of parts Ex.: putting the hand in the pocket and feeling something. The center integrat ...
... and has connection with it Integrates sensory information like temperature and pressure coming from the primary somatosensory cortex. Forms understanding of the stimulus like size, texture, and relationship of parts Ex.: putting the hand in the pocket and feeling something. The center integrat ...
nervous system
... Sound waves cause the eardrum or tympanum to vibrate. These vibrations cause three bones in the middle ear called the malleus (hammer), incus (anvil), and stapes (stirrup) to vibrate. Vibrations from these bones cause fluid inside the cochlea to move tiny hairs. These tiny hairs send nerve impulses ...
... Sound waves cause the eardrum or tympanum to vibrate. These vibrations cause three bones in the middle ear called the malleus (hammer), incus (anvil), and stapes (stirrup) to vibrate. Vibrations from these bones cause fluid inside the cochlea to move tiny hairs. These tiny hairs send nerve impulses ...
Stimulus Response Time Lab
... Sensory neurons of the PNS carry information to the CNS. Signals from the brain are carried to motor neurons (PNS), which carry out responses by muscles. In this lab, you will be comparing the rate at which sensory neurons, working through the brain, can elicit responses via motor neurons. Purpose: ...
... Sensory neurons of the PNS carry information to the CNS. Signals from the brain are carried to motor neurons (PNS), which carry out responses by muscles. In this lab, you will be comparing the rate at which sensory neurons, working through the brain, can elicit responses via motor neurons. Purpose: ...
test prep
... Discuss the different levels of processing that occur as information travels from the retina to the brain’s cortex. Define parallel processing, and discuss its role in visual information processing. Explain how the Young-Helmholtz and opponent-process theories help us understand color vision. Explai ...
... Discuss the different levels of processing that occur as information travels from the retina to the brain’s cortex. Define parallel processing, and discuss its role in visual information processing. Explain how the Young-Helmholtz and opponent-process theories help us understand color vision. Explai ...
Unit 12 Chp 49 Animal Sensory and Motor
... The binding of odor molecules to olfactory receptors initiates signal-transduction pathways involving a G-protein-signaling pathway and, often, adenylyl cyclase and cyclic AMP. ...
... The binding of odor molecules to olfactory receptors initiates signal-transduction pathways involving a G-protein-signaling pathway and, often, adenylyl cyclase and cyclic AMP. ...
Motor Areas - Motlow State Community College
... larynx, pharynx, mouth primary motor area to control breathing muscles ...
... larynx, pharynx, mouth primary motor area to control breathing muscles ...
OVERVIEW OF THE NERVOUS SYSTEM:
... Hair follicle R – respond to hair displacement Field R – primarily over joints, sense skin stretch Merkel Rs Bare nerve endings 4 TYPES OF MECHANO-Rs ON GLABROUS SKIN (Fig 22-2) In superficial skin layers: 1. Meissner’s corpuscle Rapidly adapting. Fine mechanical sensitivity due to mechanica ...
... Hair follicle R – respond to hair displacement Field R – primarily over joints, sense skin stretch Merkel Rs Bare nerve endings 4 TYPES OF MECHANO-Rs ON GLABROUS SKIN (Fig 22-2) In superficial skin layers: 1. Meissner’s corpuscle Rapidly adapting. Fine mechanical sensitivity due to mechanica ...
phys Learning Objectives Chapter 57 [10-31
... Dominant Hemisphere - Speech and motor control areas are usually much more highly developed in one cerebral hemisphere than in the other. Cause: when we are born, the left posterior temporal lobe is slightly larger than the right. So, the mind directs thoughts to this region. Because of this, it is ...
... Dominant Hemisphere - Speech and motor control areas are usually much more highly developed in one cerebral hemisphere than in the other. Cause: when we are born, the left posterior temporal lobe is slightly larger than the right. So, the mind directs thoughts to this region. Because of this, it is ...
Assessing Functional Vision in Children with Visual
... • Number of sessions, times of the day, specific assessment used. • Specific Modifications in the testing ...
... • Number of sessions, times of the day, specific assessment used. • Specific Modifications in the testing ...
Chapter 8 - Missouri State University
... of ascending and _______________________fiber tracts. Required for ________________________________________. Maintains connections with cerebrum and cerebellum. ...
... of ascending and _______________________fiber tracts. Required for ________________________________________. Maintains connections with cerebrum and cerebellum. ...
Regulation of Breathing
... 3. When CO2 moves across the blood-brain barrier, it goes through the process of hydrolysis: CO2 + H2O ...
... 3. When CO2 moves across the blood-brain barrier, it goes through the process of hydrolysis: CO2 + H2O ...
peripheral nervous system
... Vibrations from these bones cause fluid inside the cochlea to move tiny hairs. These tiny hairs send nerve impulses to the brain that interpret sounds generated by sound waves. ...
... Vibrations from these bones cause fluid inside the cochlea to move tiny hairs. These tiny hairs send nerve impulses to the brain that interpret sounds generated by sound waves. ...
Peripheral Nervous System - UBC Psychology`s Research Labs
... technique in which magnetic sensors (SQUIDs) are placed on the scalp. The sensors measure the magnetic activity of a large number of nerve cells. Provides a measure of brain activity. ...
... technique in which magnetic sensors (SQUIDs) are placed on the scalp. The sensors measure the magnetic activity of a large number of nerve cells. Provides a measure of brain activity. ...
sensory receptor
... First order neurons from the lower limbs and lower trunk travel along the gracile fasciculus. The axons synapse with second order neurons in the cuneate and gracile nuclei respectively. The axons of the second-order neurons decussate in the brain stem and enter the medial lemniscus. ...
... First order neurons from the lower limbs and lower trunk travel along the gracile fasciculus. The axons synapse with second order neurons in the cuneate and gracile nuclei respectively. The axons of the second-order neurons decussate in the brain stem and enter the medial lemniscus. ...