biology lecture notes chapter 2
... Some neurotransmitters excite the next cell into firing and some inhibit the next cell from firing. Specific neurotransmitters “bind” with specific POSTSYNAPTIC RECEPTORS. 1. “Lock and Key” model 2. Neurotransmitter—receptor binding causes postsynaptic changes 3. ION CHANNEL: closely “tied” to a r ...
... Some neurotransmitters excite the next cell into firing and some inhibit the next cell from firing. Specific neurotransmitters “bind” with specific POSTSYNAPTIC RECEPTORS. 1. “Lock and Key” model 2. Neurotransmitter—receptor binding causes postsynaptic changes 3. ION CHANNEL: closely “tied” to a r ...
Exercise 17
... Nissl bodies: elaborate type of rough ER; involved in the metabolic activity of the the cell Dendrites: are receptive regions that bear receptors for neurotransmitters released by other neurons Axons: are nerve impulse generators and transmitters Collaterals: branches of axons from neurons Axon Hill ...
... Nissl bodies: elaborate type of rough ER; involved in the metabolic activity of the the cell Dendrites: are receptive regions that bear receptors for neurotransmitters released by other neurons Axons: are nerve impulse generators and transmitters Collaterals: branches of axons from neurons Axon Hill ...
supporting cells - Daniela Sartori
... • Action potentials reach the axon terminal • Ca2+ enters axon terminal via voltage gated channels • Ca2+ binds to sensor protein in cytoplasm • Ca2+ -protein complex stimulates fusion and ...
... • Action potentials reach the axon terminal • Ca2+ enters axon terminal via voltage gated channels • Ca2+ binds to sensor protein in cytoplasm • Ca2+ -protein complex stimulates fusion and ...
Psych B – Module 22
... drug, prompting the is dependent on a user to increase the drug discontinues the dosage to achieve use of the drug effects previously obtained by lower – Withdrawal symptoms are usually doses of the drug the reverse of the drug’s effects. ...
... drug, prompting the is dependent on a user to increase the drug discontinues the dosage to achieve use of the drug effects previously obtained by lower – Withdrawal symptoms are usually doses of the drug the reverse of the drug’s effects. ...
m5zn_363798b57fd4c88
... activated receptors usually open ion channels. In the synapses the propagation is slower than in the fibers, and may even be delayed in them ...
... activated receptors usually open ion channels. In the synapses the propagation is slower than in the fibers, and may even be delayed in them ...
case studies In-depth examinations of an individual or a single event
... basal ganglia A collection of subcortical structures that are involved in memory. These structures include the caudate nucleus, the putamen, the globus pallidus, and the subthalamic nucleus and are located above and around the thalamus. Important for memories involving habits and motor skills ...
... basal ganglia A collection of subcortical structures that are involved in memory. These structures include the caudate nucleus, the putamen, the globus pallidus, and the subthalamic nucleus and are located above and around the thalamus. Important for memories involving habits and motor skills ...
John F. MacDonald 2014 - Canadian Association for Neuroscience
... were later found to be blocked by magnesium in a voltage-dependent manner, and required for long-term synaptic modifications thought to underlie some forms of learning. By virtue of their voltage-dependence, NMDA receptors act as molecular coincidence detectors, a characteristic ...
... were later found to be blocked by magnesium in a voltage-dependent manner, and required for long-term synaptic modifications thought to underlie some forms of learning. By virtue of their voltage-dependence, NMDA receptors act as molecular coincidence detectors, a characteristic ...
BIOLOGY 12: U NIT M/N - C A. CHAPTER REVIEW 1. What are the
... 21. Describe transmission across a synapse. _____________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________ ____________________ ...
... 21. Describe transmission across a synapse. _____________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________ ____________________ ...
The Great Brain Drain Review
... When we experience extreme pain, the body releases endorphins. acetylcholine is the chemical found at neuromuscular junctions. The poison of a black widow spider affects it by mimicking it. Therefore, the poison from a black widow spider is an agonist. Acetylcholine must also be involved in memory b ...
... When we experience extreme pain, the body releases endorphins. acetylcholine is the chemical found at neuromuscular junctions. The poison of a black widow spider affects it by mimicking it. Therefore, the poison from a black widow spider is an agonist. Acetylcholine must also be involved in memory b ...
Neurons
... Neurotransmitters chemical messengers that traverse the synaptic gaps between neurons when released by the sending neuron, neurotransmitters travel across the synapse and bind to receptor sites on the receiving neuron, thereby influencing whether it will generate a neural impulse ...
... Neurotransmitters chemical messengers that traverse the synaptic gaps between neurons when released by the sending neuron, neurotransmitters travel across the synapse and bind to receptor sites on the receiving neuron, thereby influencing whether it will generate a neural impulse ...
Neurophysiology – Action Potential, Nerve Impulse, and Synapses
... Neurotransmitters released by some knobs have an excitatory action, but those from other knobs have an inhibitory action.The effect on the postsynaptic neuron depends on which presynaptic knobs are activated from moment to moment. If more excitatory than inhibitory neurotransmitters are released, th ...
... Neurotransmitters released by some knobs have an excitatory action, but those from other knobs have an inhibitory action.The effect on the postsynaptic neuron depends on which presynaptic knobs are activated from moment to moment. If more excitatory than inhibitory neurotransmitters are released, th ...
The Nervous System
... Nervous System Functions • 1. Sensory-receptors gather information and pass it on toward the CNS • 2. Integrative-in the spinal cord or brain, we put information together and make sense of it • 3. Motor-carry impulses to effectors such as muscles and glands ...
... Nervous System Functions • 1. Sensory-receptors gather information and pass it on toward the CNS • 2. Integrative-in the spinal cord or brain, we put information together and make sense of it • 3. Motor-carry impulses to effectors such as muscles and glands ...
Adrenergic Transmission
... • Another carrier transports norepinephrine and similar molecules into the cell cytoplasm (reuptake 1). It can be inhibited by cocaine and tricyclic antidepressant drugs, resulting in an increase of transmitter activity in the synaptic cleft. ...
... • Another carrier transports norepinephrine and similar molecules into the cell cytoplasm (reuptake 1). It can be inhibited by cocaine and tricyclic antidepressant drugs, resulting in an increase of transmitter activity in the synaptic cleft. ...
The Nervous System
... Information Processing (neurotransmitter released and sensation related to brain) Activation of Motor Neuron (axons carry action potential back towards the origin of pain) Response of Peripheral Effector (release of neurotransmitter to skeletal muscle fiber contraction pulls hand away from pain) ...
... Information Processing (neurotransmitter released and sensation related to brain) Activation of Motor Neuron (axons carry action potential back towards the origin of pain) Response of Peripheral Effector (release of neurotransmitter to skeletal muscle fiber contraction pulls hand away from pain) ...
The Nervous System
... • There have been at least 25 different neurotransmitters that have been identified. • Two very well-known ones are acetylcholine (Ach) and norepinephrine (NE). • Once a neurotransmitter has been released into a synaptic cleft and has initiated a response, it is removed from the cleft. • The short e ...
... • There have been at least 25 different neurotransmitters that have been identified. • Two very well-known ones are acetylcholine (Ach) and norepinephrine (NE). • Once a neurotransmitter has been released into a synaptic cleft and has initiated a response, it is removed from the cleft. • The short e ...
THE NERVOUS SYSTEM - Fox Valley Lutheran High School
... Much slower than an electric current. (10cm to 1m/sec.) The strength of an impulse is always the same. ...
... Much slower than an electric current. (10cm to 1m/sec.) The strength of an impulse is always the same. ...
The Nervous System
... causes Na+ to enter and K+ to exit, which depolarizes the cell. If enough “excitation” occurs action potential is the result. Inhibitory synapses—causes membrane to be more permeable to K+ and Cl-, hyperpolarizing the cell. If enough “inhibition” occurs, it is more difficult for an action potential ...
... causes Na+ to enter and K+ to exit, which depolarizes the cell. If enough “excitation” occurs action potential is the result. Inhibitory synapses—causes membrane to be more permeable to K+ and Cl-, hyperpolarizing the cell. If enough “inhibition” occurs, it is more difficult for an action potential ...
Chater 2 - Study Guide
... 15. Dr. Frankenstein made a mistake during neurosurgery on his monster. After the operation, the monster “saw” with his ears and “heard” with his eyes. It is likely that Dr. Frankenstein “rewired” neural connections in the monster's: A) hypothalamus. B) cerebellum. C) amygdala. D) thalamus. E) hipp ...
... 15. Dr. Frankenstein made a mistake during neurosurgery on his monster. After the operation, the monster “saw” with his ears and “heard” with his eyes. It is likely that Dr. Frankenstein “rewired” neural connections in the monster's: A) hypothalamus. B) cerebellum. C) amygdala. D) thalamus. E) hipp ...
Sensory Systems - Cedar Crest College
... • “What kind” information is transmitted by which neurons respond to the signal • “How much” information is transmitted by the number of action potentials sent – The action potential is an “all or none” signal ...
... • “What kind” information is transmitted by which neurons respond to the signal • “How much” information is transmitted by the number of action potentials sent – The action potential is an “all or none” signal ...
Chapter 29 Nervous and Endocrine System
... Neurotransmitters (chemicals) are released from the axon and transmit impulse across synapse by binding to receptor sites on dendrite of adjacent neuron Impulses are self-propagating, like dominos ...
... Neurotransmitters (chemicals) are released from the axon and transmit impulse across synapse by binding to receptor sites on dendrite of adjacent neuron Impulses are self-propagating, like dominos ...
The Nervous System
... – Released at presynaptic membrane – Affect receptors of postsynaptic membrane ...
... – Released at presynaptic membrane – Affect receptors of postsynaptic membrane ...
1. A biological psychologist would be more likely to study
... D) MRI. 12. The technique that uses magnetic fields and radio waves to produce computer images of structures within the brain is called: A) the EEG. B) a CT scan. C) a PET scan. D) MRI. 13. Following a head injury, a person has ongoing difficulties staying awake. Most likely, the damage occurred to ...
... D) MRI. 12. The technique that uses magnetic fields and radio waves to produce computer images of structures within the brain is called: A) the EEG. B) a CT scan. C) a PET scan. D) MRI. 13. Following a head injury, a person has ongoing difficulties staying awake. Most likely, the damage occurred to ...
neuron
... Have a single process extending from their cell bodies A short distance from the cell body, this process divides into two branches, which function as a single axon One branch (peripheral process) is associated with the dendrites near a peripheral body part The other branch (central process) enter th ...
... Have a single process extending from their cell bodies A short distance from the cell body, this process divides into two branches, which function as a single axon One branch (peripheral process) is associated with the dendrites near a peripheral body part The other branch (central process) enter th ...