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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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) ...
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 ...