12_lecture_ppt Motor and Sensory Cortex Only
... unpleasant and complex perceptual and emotional experiences • Triggers autonomic, psychological, somatic motor responses ...
... unpleasant and complex perceptual and emotional experiences • Triggers autonomic, psychological, somatic motor responses ...
The Nervous System
... ◦ Receive sensory information & transmit the information (as a nerve impulse) to the CNS (brain & spinal cord) ...
... ◦ Receive sensory information & transmit the information (as a nerve impulse) to the CNS (brain & spinal cord) ...
Chapter 10 Introduction
... • In many receptors, the threshold level for a particular stimulus may rise after continuous stimulation; this is called sensory adaptation • Impulses are generated at decreasing rates until they stop completely and the sensation ends • This prevents the brain from being overloaded by information t ...
... • In many receptors, the threshold level for a particular stimulus may rise after continuous stimulation; this is called sensory adaptation • Impulses are generated at decreasing rates until they stop completely and the sensation ends • This prevents the brain from being overloaded by information t ...
Available
... • Maintain homeostasis Reflex Arc 1. Sensory receptor 2. Sensory/afferent neuron 3. (Interneuron) 4. Motor/efferent neuron 5. Effector neuron DOES NOT INVOLVE BRAIN Stretch Reflex ...
... • Maintain homeostasis Reflex Arc 1. Sensory receptor 2. Sensory/afferent neuron 3. (Interneuron) 4. Motor/efferent neuron 5. Effector neuron DOES NOT INVOLVE BRAIN Stretch Reflex ...
Nervous System
... information from sensory receptors (e.g., in skin, eyes, nose, tongue, ears) TOWARD the central nervous system. • Motor (or efferent) neurons: send information AWAY from the central nervous system to muscles or glands ...
... information from sensory receptors (e.g., in skin, eyes, nose, tongue, ears) TOWARD the central nervous system. • Motor (or efferent) neurons: send information AWAY from the central nervous system to muscles or glands ...
Directed study File
... Directed study: to complement your understanding of the sensory pathways, now study the body’s receptors and the ‘special’ senses. Choose from the following texts to support your learning: Chapter 15 in Tortora, Chapter 11 in Seikel et al (2005), Chapter 5 in Love & Webb (2001), and/or Chapter 9 in ...
... Directed study: to complement your understanding of the sensory pathways, now study the body’s receptors and the ‘special’ senses. Choose from the following texts to support your learning: Chapter 15 in Tortora, Chapter 11 in Seikel et al (2005), Chapter 5 in Love & Webb (2001), and/or Chapter 9 in ...
Organization of NS and the neuron File
... Involuntary control of smooth muscle, cardiac muscle, internal organs and glands Brings info about body’s internal environment to CNS and carries signals back to regulate internal environment The ANS uses 2 groups of motor neurons to stimulate target effectors a. Preganglionic neurons (CNS gan ...
... Involuntary control of smooth muscle, cardiac muscle, internal organs and glands Brings info about body’s internal environment to CNS and carries signals back to regulate internal environment The ANS uses 2 groups of motor neurons to stimulate target effectors a. Preganglionic neurons (CNS gan ...
Information Processing The Central Nervous System Peripheral
... divided into two major parts: the brain and the spinal cord. In the average adult human, the brain weighs 1.3 to 1.4 kg (about 3 pounds). The brain contains about 100 billion nerve cells (neurons) and trillons of "support cells" called glia. The spinal cord is about 43 cm long in adult women and 45 ...
... divided into two major parts: the brain and the spinal cord. In the average adult human, the brain weighs 1.3 to 1.4 kg (about 3 pounds). The brain contains about 100 billion nerve cells (neurons) and trillons of "support cells" called glia. The spinal cord is about 43 cm long in adult women and 45 ...
Reflex Arcs
... (optional step) Interneurons in the CNS (a reflex center) to Motor neurons to Effector ...
... (optional step) Interneurons in the CNS (a reflex center) to Motor neurons to Effector ...
DOC
... long. The cytons for the nerves of the legs are located in the spinal cord and the axons travel the entire length of the legs. Propagation of impulses The nerve cell has a positive charge on the outside and a negative charge on the inside. The nerve impulse causes a temporary change in the charge of ...
... long. The cytons for the nerves of the legs are located in the spinal cord and the axons travel the entire length of the legs. Propagation of impulses The nerve cell has a positive charge on the outside and a negative charge on the inside. The nerve impulse causes a temporary change in the charge of ...
Peripheral Neuropathy
... The Neuropathy Trust states that: ‘Peripheral neuropathy is not a complete diagnosis, but simply a statement that the peripheral nerves are not working properly.’ The afferent peripheral nerves conduct sensory information from receptors on the surface and organs to the central nervous system (CNS) a ...
... The Neuropathy Trust states that: ‘Peripheral neuropathy is not a complete diagnosis, but simply a statement that the peripheral nerves are not working properly.’ The afferent peripheral nerves conduct sensory information from receptors on the surface and organs to the central nervous system (CNS) a ...
Peripheral Nervous System
... • THE EYE • CORNEA AND LENS: BEND LIGHT RAYS AND FOCUS THEM ON THE RETINA • CILLIARY MUSCLES LOSSEN OR TIGHTEN TO ADJUST LENS THICKNESS • RETINA: SITE OF PHOTORECEPTORS • FOVEA: MOST SENSITVE PART OF RETINA ...
... • THE EYE • CORNEA AND LENS: BEND LIGHT RAYS AND FOCUS THEM ON THE RETINA • CILLIARY MUSCLES LOSSEN OR TIGHTEN TO ADJUST LENS THICKNESS • RETINA: SITE OF PHOTORECEPTORS • FOVEA: MOST SENSITVE PART OF RETINA ...
Nervous system, neuron, nerve impulse, peripheral nervous system
... b) Bones of the skull and shoulder blades are flat. c) The spine is composed of regular-shaped bones. d) The rounded end of a long bone is called epiphysis. e) Flat bones are made up of two layers of spongy bone. f) The tibia is an example of a long bone. g) Short bones are found in the fingers and ...
... b) Bones of the skull and shoulder blades are flat. c) The spine is composed of regular-shaped bones. d) The rounded end of a long bone is called epiphysis. e) Flat bones are made up of two layers of spongy bone. f) The tibia is an example of a long bone. g) Short bones are found in the fingers and ...
TSM7 - Somatosensory Pathways
... o Second order neurons decussate to the contralateral side and group together At the thalamus they converge at the ventral posterior lateral nucleus (VPL) The sensory information finally reaches the primary somatosensory cortex (PSSC) ...
... o Second order neurons decussate to the contralateral side and group together At the thalamus they converge at the ventral posterior lateral nucleus (VPL) The sensory information finally reaches the primary somatosensory cortex (PSSC) ...
Spinal and Cranial Nerves
... • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera • Spinal nerves arising from the spinal cord • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera ...
... • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera • Spinal nerves arising from the spinal cord • Somatic fibers connecting to the skin and skeletal muscles • Autonomic fibers connecting to viscera ...
The Spinal Cord and Spinal Nerves
... Monosynaptic reflex arc. Ipsilateral reflex. This reflex helps avert injury by preventing overstretching of a muscle. Reciprocal inhibition – when the stretched muscle contracts, the antagonistic muscle(s) relax. ...
... Monosynaptic reflex arc. Ipsilateral reflex. This reflex helps avert injury by preventing overstretching of a muscle. Reciprocal inhibition – when the stretched muscle contracts, the antagonistic muscle(s) relax. ...
Neuroanatomy/Pain Review
... Any pain which lasts for six months or more (in athletes we may consider chronic pain to be pain which is continue from months but is not in proportion to tissue injury or activity... i.e... chronic tendinitis may be long lasting but have organic root) No real purpose (?) numerous by-passes. Also ...
... Any pain which lasts for six months or more (in athletes we may consider chronic pain to be pain which is continue from months but is not in proportion to tissue injury or activity... i.e... chronic tendinitis may be long lasting but have organic root) No real purpose (?) numerous by-passes. Also ...
3-As.Tracts 2015 (final).
... Leads to loss of proprioseption which is manifested by a high steppage and unsteady gait (sensory ataxia) ...
... Leads to loss of proprioseption which is manifested by a high steppage and unsteady gait (sensory ataxia) ...
3-As.Tracts 2016-17
... contact with the second neurone which lies either in the spinal grey matter or in the medulla oblongata of the brain stem. ...
... contact with the second neurone which lies either in the spinal grey matter or in the medulla oblongata of the brain stem. ...
3-As.Tracts 2014 (final).
... • Carry impulses from pain, thermal, tactile, muscle and joint receptors to the brain. • Some of this information eventually reaches a conscious level (at the cerebral cortex), • while some is destined for subconscious centers (e.g at the cerebellum). ...
... • Carry impulses from pain, thermal, tactile, muscle and joint receptors to the brain. • Some of this information eventually reaches a conscious level (at the cerebral cortex), • while some is destined for subconscious centers (e.g at the cerebellum). ...
L4-As.Tracts 2014 (final).
... • Carry impulses concerned with proprioception (movement and joint position) and discriminative touch from ipsilateral side of the body • Contain the axons of primary afferent neurons that have entered cord through dorsal roots of spinal nerves • Fasciculus Gracilis contains fibers that are received ...
... • Carry impulses concerned with proprioception (movement and joint position) and discriminative touch from ipsilateral side of the body • Contain the axons of primary afferent neurons that have entered cord through dorsal roots of spinal nerves • Fasciculus Gracilis contains fibers that are received ...
