Parts of the Brain Hindbrain •Lower part of hindbrain •Upper part of
... •Coordinates sensory input with emotions •Emotional responses to pain ...
... •Coordinates sensory input with emotions •Emotional responses to pain ...
Chapter 3
... Generation of an Action Potential • An action potential (AP) or impulse is a sequence of rapidly occurring events that decrease and eventually reverse the membrane potential (depolarization) and then restore it to the resting state (repolarization). – During an action potential, voltage-gated Na+ a ...
... Generation of an Action Potential • An action potential (AP) or impulse is a sequence of rapidly occurring events that decrease and eventually reverse the membrane potential (depolarization) and then restore it to the resting state (repolarization). – During an action potential, voltage-gated Na+ a ...
Exam #3
... 34) You are sitting in the woods after eating a very messy sandwich, so you are covered with sandwich drippings, when all of a sudden you realize that your feet are resting on a bear cub, and his mother is out to get you like you got the sandwich. So you stand up and run like mad. In this situation ...
... 34) You are sitting in the woods after eating a very messy sandwich, so you are covered with sandwich drippings, when all of a sudden you realize that your feet are resting on a bear cub, and his mother is out to get you like you got the sandwich. So you stand up and run like mad. In this situation ...
Overview of Synaptic Transmission
... Electrical synaptic transmission was first described in the giant motor synapse of the crayfish, where the presynaptic fiber is much larger than the postsynaptic fiber (Figure to-2A). An action potential generated in the presynaptic fiber produces a depolarizing postsynaptic potential that is often ...
... Electrical synaptic transmission was first described in the giant motor synapse of the crayfish, where the presynaptic fiber is much larger than the postsynaptic fiber (Figure to-2A). An action potential generated in the presynaptic fiber produces a depolarizing postsynaptic potential that is often ...
study guide2-2 Sp13
... • Which groups/ages of people are most affected by mental illness? • How do drugs like Prozac work? ...
... • Which groups/ages of people are most affected by mental illness? • How do drugs like Prozac work? ...
Overview
... Other diseases affecting the nervous system are Parkinsons, seizures, multiple sclerosis, meningitis, and Cerebral vascular accident commonly called a stroke, (which also affects the circulatory system). Infections and tumors may also occur causing illness affecting the nervous system. ...
... Other diseases affecting the nervous system are Parkinsons, seizures, multiple sclerosis, meningitis, and Cerebral vascular accident commonly called a stroke, (which also affects the circulatory system). Infections and tumors may also occur causing illness affecting the nervous system. ...
CHAPTER 2 THE NEUROMUSCULAR SYSTEM
... The neuron can be divided structurally into three parts, each associated with a particular function. (1) The dendrites and the cell body, (2) The axon and (3) The axon terminals. The dendrites form a series of highly branched cell outgrowths connected to the cell body and may be looked upon as an ex ...
... The neuron can be divided structurally into three parts, each associated with a particular function. (1) The dendrites and the cell body, (2) The axon and (3) The axon terminals. The dendrites form a series of highly branched cell outgrowths connected to the cell body and may be looked upon as an ex ...
Nervous System 1
... Because of its role, the nervous system is resistant to evolutionary change. Even if bones change shape, the nerves innervating the muscles must still work. The system is therefore an ideal comparative tool to help us understand the evolution of vertebrates. ...
... Because of its role, the nervous system is resistant to evolutionary change. Even if bones change shape, the nerves innervating the muscles must still work. The system is therefore an ideal comparative tool to help us understand the evolution of vertebrates. ...
What are the biological mechanisms associated with taste?
... each of which contains numerous taste buds. • Each taste bud contains 50-150 receptor cells which extend cilia through a taste pore on the surface of the taste bud. ...
... each of which contains numerous taste buds. • Each taste bud contains 50-150 receptor cells which extend cilia through a taste pore on the surface of the taste bud. ...
The Nervous System
... Major regions of neurons Cell body—nucleus and metabolic center of the cell Processes—fibers that extend from the cell body ...
... Major regions of neurons Cell body—nucleus and metabolic center of the cell Processes—fibers that extend from the cell body ...
The Nervous System - Livonia Public Schools
... • What do neurotransmitters do? • Stimulate the dendrites of other neurons or membranes of other cells. • If a dendrite is stimulated, it sends its message to the cell body and the ...
... • What do neurotransmitters do? • Stimulate the dendrites of other neurons or membranes of other cells. • If a dendrite is stimulated, it sends its message to the cell body and the ...
Study Guide
... 2. Know locations of the structures of neurons; refer back to Anatomy of Neuron worksheet 3. Know all the neuroglia by name, type of nervous system found in, and their functions; Table 9.1, page 258 will help. 4. Know diseases associated with myelin sheath, refer back to Nervous Tissue Lab. IV. Acti ...
... 2. Know locations of the structures of neurons; refer back to Anatomy of Neuron worksheet 3. Know all the neuroglia by name, type of nervous system found in, and their functions; Table 9.1, page 258 will help. 4. Know diseases associated with myelin sheath, refer back to Nervous Tissue Lab. IV. Acti ...
REVIEW GAME Final Exam PART I
... Arrange the following in the proper order in which they occur at the presynaptic side of a neuromuscular junction. 1. Calcium ions enter the pre-synaptic cell via voltage-gated calcium channels. 2. An action potential arrives at the pre-synaptic axon terminal. 3. Neurotransmitter is released into th ...
... Arrange the following in the proper order in which they occur at the presynaptic side of a neuromuscular junction. 1. Calcium ions enter the pre-synaptic cell via voltage-gated calcium channels. 2. An action potential arrives at the pre-synaptic axon terminal. 3. Neurotransmitter is released into th ...
Nervous Systems
... – others inhibit a receiving cell’s activity by decreasing its ability to develop action potentials. ...
... – others inhibit a receiving cell’s activity by decreasing its ability to develop action potentials. ...
Slide 1
... – others inhibit a receiving cell’s activity by decreasing its ability to develop action potentials. ...
... – others inhibit a receiving cell’s activity by decreasing its ability to develop action potentials. ...
Module 45 Notes
... Prenatal Development Prenatal Period: the 9 months between conception and birth. A zygote is a fertilized egg with 100 cells that become increasingly diverse. At about 14 days the zygote turns into an embryo (a and b). ...
... Prenatal Development Prenatal Period: the 9 months between conception and birth. A zygote is a fertilized egg with 100 cells that become increasingly diverse. At about 14 days the zygote turns into an embryo (a and b). ...
How are axons guided to their targets?
... • Chemoaffinity Hypothesis – the specificity of wiring is based on recognition of chemical cues • Axons reach their targets in a series of discrete steps • Different cells respond to the same guidance cues in different ways • Chemical cues exist at many points along the axon guidance pathway e.g the ...
... • Chemoaffinity Hypothesis – the specificity of wiring is based on recognition of chemical cues • Axons reach their targets in a series of discrete steps • Different cells respond to the same guidance cues in different ways • Chemical cues exist at many points along the axon guidance pathway e.g the ...
Chapter 12
... Can have excitatory or inhibitory effects. Secreted by the CNS and PNS. Secreted by the adrenal glands. ...
... Can have excitatory or inhibitory effects. Secreted by the CNS and PNS. Secreted by the adrenal glands. ...
The NEURON
... 4.Neurons carry out basic cellular processes such as protein synthesis and energy production However, neurons differ from other cells in the body because: 1.Neurons have specialized extensions called dendrites and axons 2.Neurons communicate with each other - electrochemical 3.Neurons contain some s ...
... 4.Neurons carry out basic cellular processes such as protein synthesis and energy production However, neurons differ from other cells in the body because: 1.Neurons have specialized extensions called dendrites and axons 2.Neurons communicate with each other - electrochemical 3.Neurons contain some s ...
Laminar analysis of excitatory local circuits in vibrissal motor
... to the thickness of the cortex, suggesting that strong circuits were readily detected. LSPS measurements are perturbed by strong direct responses from dendrites of the recorded neurons, causing an underestimate of local, mainly intralaminar connections relative to pair recordings. For example, our m ...
... to the thickness of the cortex, suggesting that strong circuits were readily detected. LSPS measurements are perturbed by strong direct responses from dendrites of the recorded neurons, causing an underestimate of local, mainly intralaminar connections relative to pair recordings. For example, our m ...
Study Questions
... experience is represented in two levels of the brain, I and II. With limited training, the representations in level II are associated with and can support an action. With extended training, a habit is formed, that is, connections between the stimulus and response representations in level I become st ...
... experience is represented in two levels of the brain, I and II. With limited training, the representations in level II are associated with and can support an action. With extended training, a habit is formed, that is, connections between the stimulus and response representations in level I become st ...
Copy of PNS philadelphia
... B- medulla: releases adrenaline (epinephrine) 85% and norepinephrine 15% they differ slightly from each other and termed catacholamines Sympathetic system and Adrenal gland together are called Sympathoadrenal system ...
... B- medulla: releases adrenaline (epinephrine) 85% and norepinephrine 15% they differ slightly from each other and termed catacholamines Sympathetic system and Adrenal gland together are called Sympathoadrenal system ...
Object Recognition and Learning using the BioRC Biomimetic Real
... BioRC Solutions to Complexities Moderately-Large Neurons – a hypothetical argument If we decide instead to model the same exact computation with simpler neurons that only have 300 inputs, there are “N choose M” or “10,000 choose 300” combinations of inputs that make the neural circuit fire at the f ...
... BioRC Solutions to Complexities Moderately-Large Neurons – a hypothetical argument If we decide instead to model the same exact computation with simpler neurons that only have 300 inputs, there are “N choose M” or “10,000 choose 300” combinations of inputs that make the neural circuit fire at the f ...
Stimulus (physiology)
In physiology, a stimulus (plural stimuli) is a detectable change in the internal or external environment. The ability of an organism or organ to respond to external stimuli is called sensitivity. When a stimulus is applied to a sensory receptor, it normally elicits or influences a reflex via stimulus transduction. These sensory receptors can receive information from outside the body, as in touch receptors found in the skin or light receptors in the eye, as well as from inside the body, as in chemoreceptors and mechanorceptors. An internal stimulus is often the first component of a homeostatic control system. External stimuli are capable of producing systemic responses throughout the body, as in the fight-or-flight response. In order for a stimulus to be detected with high probability, its level must exceed the absolute threshold; if a signal does reach threshold, the information is transmitted to the central nervous system (CNS), where it is integrated and a decision on how to react is made. Although stimuli commonly cause the body to respond, it is the CNS that finally determines whether a signal causes a reaction or not.