Chapter 35 The Nervous System
... 3. dendrites- carries impulses toward the cell body. 4. axon- carries impulses away from the cell body. 5. myelin sheath- covers part of some axons. 6. synapse – at the end of the axon E. Nerve Impulse- an electrical impulse conducted along a nerve fiber. 1. resting potential- the electrical charge ...
... 3. dendrites- carries impulses toward the cell body. 4. axon- carries impulses away from the cell body. 5. myelin sheath- covers part of some axons. 6. synapse – at the end of the axon E. Nerve Impulse- an electrical impulse conducted along a nerve fiber. 1. resting potential- the electrical charge ...
The Nervous System
... Breeze against your face Most impulses are sent from the nerves in your body to your brain via the spinal cord ...
... Breeze against your face Most impulses are sent from the nerves in your body to your brain via the spinal cord ...
Biology and Behaviour 40s
... • The simplest type of neural pathway is a monosynaptic (single connection) reflex pathway, like the knee-jerk reflex. When the doctor taps the the right spot on your knee with a rubber hammer, receptors send a signal into the spinal cord through a sensory neuron. The sensory neuron passes the messa ...
... • The simplest type of neural pathway is a monosynaptic (single connection) reflex pathway, like the knee-jerk reflex. When the doctor taps the the right spot on your knee with a rubber hammer, receptors send a signal into the spinal cord through a sensory neuron. The sensory neuron passes the messa ...
How the Brain Works And Why it Probably Doesn`t Work this way!
... different pathways in different patients; while patients may show very individual patterns of demyelination (and therefore different signs/symptoms), there are some sites that appear to be more commonly affected; for example, the optic nerve is commonly involved, as is the deep white matter of the h ...
... different pathways in different patients; while patients may show very individual patterns of demyelination (and therefore different signs/symptoms), there are some sites that appear to be more commonly affected; for example, the optic nerve is commonly involved, as is the deep white matter of the h ...
Reflex action, reflex Arc, Human Brain
... The sudden and involuntary actions that save us from danger are _____ The structural and functional unit of a reflex action is called _____ In a reflex action the stimulus from receptor is carried to _____ In a reflex action sensory nerve carries the information to _____ in the spinal cord. The info ...
... The sudden and involuntary actions that save us from danger are _____ The structural and functional unit of a reflex action is called _____ In a reflex action the stimulus from receptor is carried to _____ In a reflex action sensory nerve carries the information to _____ in the spinal cord. The info ...
090309-presentation
... QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. ...
... QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. ...
Nervous System - Seattle Central
... • Regulatory nuclei – Lens shape, pupil diameter – Initiates & terminates body movements – Initiates arousal ...
... • Regulatory nuclei – Lens shape, pupil diameter – Initiates & terminates body movements – Initiates arousal ...
Power Point
... In the CNS the branches of many axons impinge on a particular neuron. If the neuron is the last in a series, it represents the final common pathway. Activity of that neuron will result from a cumulative effect of inhibitory and excitatory inputs. ...
... In the CNS the branches of many axons impinge on a particular neuron. If the neuron is the last in a series, it represents the final common pathway. Activity of that neuron will result from a cumulative effect of inhibitory and excitatory inputs. ...
Unit II Practice Exam – Answer Key
... Which of the following was a major problem with phrenology? a. It was “ahead of its time” and no one believed it could be true b. The brain is not neatly organized into structures that correspond to our categories of behavior c. The brains of humans and animals are much less similar than they theory ...
... Which of the following was a major problem with phrenology? a. It was “ahead of its time” and no one believed it could be true b. The brain is not neatly organized into structures that correspond to our categories of behavior c. The brains of humans and animals are much less similar than they theory ...
Lab 12
... 1. cell body _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 2. nucleus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 3. chromatophilic or Nissl bodies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 4. dendrites _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 5. axon _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 6. telodendri ...
... 1. cell body _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 2. nucleus _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 3. chromatophilic or Nissl bodies _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 4. dendrites _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 5. axon _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 6. telodendri ...
Sensory neurons
... Motor Neurons send short pulses which produce a twitch in the body, if these twitches become so fast, they produce smooth movement of the body which is known as Tetanus. Motor Neurons are part of the PNS and are very important in movement, homeostasis and practically every other system in the body f ...
... Motor Neurons send short pulses which produce a twitch in the body, if these twitches become so fast, they produce smooth movement of the body which is known as Tetanus. Motor Neurons are part of the PNS and are very important in movement, homeostasis and practically every other system in the body f ...
File
... and other organelles, and functions like most other cells. iii. Axon -- an axon carries nerve impulses AWAY from the cell body. -- if an action potential is generated, it will originate within the axon hillock, which will then pass the signal on to the axon. -- the axon carries the action potential ...
... and other organelles, and functions like most other cells. iii. Axon -- an axon carries nerve impulses AWAY from the cell body. -- if an action potential is generated, it will originate within the axon hillock, which will then pass the signal on to the axon. -- the axon carries the action potential ...
History of Psychology
... Not related to motor or sensory Higher-level thinking (learning, etc) VERY IMPORTANT Band of fibers connecting hemispheres ...
... Not related to motor or sensory Higher-level thinking (learning, etc) VERY IMPORTANT Band of fibers connecting hemispheres ...
Objectives included for the test File
... Explain how animal experiments, lesions and FMRI (functional magnetic resonance imaging) scanning can be used in the identification of the brain part involved in specific functions.(Include one specific example of each.) Explain sympathetic and parasympathetic control of the heart rate, movements of ...
... Explain how animal experiments, lesions and FMRI (functional magnetic resonance imaging) scanning can be used in the identification of the brain part involved in specific functions.(Include one specific example of each.) Explain sympathetic and parasympathetic control of the heart rate, movements of ...
Class Notes
... The diencephalon lies above the brain stem and contains the thalamus and hypothalamus. Other portions of the diencephalon are the optic tracts and optic chiasma, the infundibulum (attachment for the pituitary), the posterior pituitary, mammillary bodies, and the pineal gland. The thalamus functions ...
... The diencephalon lies above the brain stem and contains the thalamus and hypothalamus. Other portions of the diencephalon are the optic tracts and optic chiasma, the infundibulum (attachment for the pituitary), the posterior pituitary, mammillary bodies, and the pineal gland. The thalamus functions ...
PDF - the Houpt Lab
... Detect changes in the environment or in the body via sensory receptors; coordinate responses across the body. Initiate responses via skeletal muscle (somatic nerves for voluntary movement) or via smooth muscle and glands (autonomic nervous system). Neurons (nerve cells) Point to point communication ...
... Detect changes in the environment or in the body via sensory receptors; coordinate responses across the body. Initiate responses via skeletal muscle (somatic nerves for voluntary movement) or via smooth muscle and glands (autonomic nervous system). Neurons (nerve cells) Point to point communication ...
The Nervous System
... The Nervous System • Transmission of nerve impulse – Chemical changes across the membrane of neuron. – Membrane of a unstimulated neuron is polarized. • Difference in electrical charges between the outside and inside of the membrane. • Inside is negative; outside is positive. ...
... The Nervous System • Transmission of nerve impulse – Chemical changes across the membrane of neuron. – Membrane of a unstimulated neuron is polarized. • Difference in electrical charges between the outside and inside of the membrane. • Inside is negative; outside is positive. ...
Nerves and Digestion
... The 2 Parts of the Nervous System are the central nervous system and the peripheral nervous system. 1. The Central Nervous System is made up of the brain and spinal cord. 2. The Peripheral Nervous System is made up of the nerves that branch out from the spinal cord to our peripheral body parts. ...
... The 2 Parts of the Nervous System are the central nervous system and the peripheral nervous system. 1. The Central Nervous System is made up of the brain and spinal cord. 2. The Peripheral Nervous System is made up of the nerves that branch out from the spinal cord to our peripheral body parts. ...
Nervous System PowerPoint
... kept isolated from any changes in the _____, particularly after meals or exercise. Allows essential molecules (like _____ and glucose) to pass from the _____ to the CNS but blocks more massive molecules like hormones and neurotransmitters ...
... kept isolated from any changes in the _____, particularly after meals or exercise. Allows essential molecules (like _____ and glucose) to pass from the _____ to the CNS but blocks more massive molecules like hormones and neurotransmitters ...
The Two Messenger Services of the Brain
... injured such as a severed finger. ( In fact you can expect feeling to return at a rate of about 1 millimeter a day!!!) ...
... injured such as a severed finger. ( In fact you can expect feeling to return at a rate of about 1 millimeter a day!!!) ...
The Biology of Mind
... All nerves that are not encased in bone. Everything but the brain and spinal cord. Is divided into two categories….somatic and autonomic. ...
... All nerves that are not encased in bone. Everything but the brain and spinal cord. Is divided into two categories….somatic and autonomic. ...
MSdoc, 459KB
... 4. Discuss Parkinson’s disease to highlight major issues of ethics in neuroscience. F1.1. The Human Nervous System Neuroscience is the study of the nervous system. The nervous system is made up of the central nervous system (CNS) and the peripheral nervous system (PNS). The central nervous system co ...
... 4. Discuss Parkinson’s disease to highlight major issues of ethics in neuroscience. F1.1. The Human Nervous System Neuroscience is the study of the nervous system. The nervous system is made up of the central nervous system (CNS) and the peripheral nervous system (PNS). The central nervous system co ...
chapter 4
... are active, not passive; and sensory and perceptual processes reflect the impact of adaptive pressures over the course of evolution. 4.3 All senses have these features in common: they translate information, have thresholds, require constant decision making, detect changes, and are selective. Sensati ...
... are active, not passive; and sensory and perceptual processes reflect the impact of adaptive pressures over the course of evolution. 4.3 All senses have these features in common: they translate information, have thresholds, require constant decision making, detect changes, and are selective. Sensati ...
Control and Coordination
... living organism to react is called a stimulus. (Pl: stimuli) Response- the specific reaction shown by a living organism towards a stimulus Impulse- a electrical wave of excitation or irritation that travels across a neuron and carries specific messages. ...
... living organism to react is called a stimulus. (Pl: stimuli) Response- the specific reaction shown by a living organism towards a stimulus Impulse- a electrical wave of excitation or irritation that travels across a neuron and carries specific messages. ...