Nervous System Notes
... • Like most cells of the body, excitable cells have a Membrane Potential – an electrical voltage difference across the membrane • That difference can change suddenly, causing graded and action potentials (nerve impulses) • Current – the flow of charge ...
... • Like most cells of the body, excitable cells have a Membrane Potential – an electrical voltage difference across the membrane • That difference can change suddenly, causing graded and action potentials (nerve impulses) • Current – the flow of charge ...
Intro-The neuron
... - Scientific discipline vs. clinical profession - Relation to biological psychology 2. The Neuron - Basic structure ...
... - Scientific discipline vs. clinical profession - Relation to biological psychology 2. The Neuron - Basic structure ...
Neurons and how they communicate
... After passing through the empty synaptic cleft the neurotransmitters attach or bind to receptors on the postsynaptic neuron These neurotransmitters can then make the receiving neuron either more or less likely to fire It is in this infinitesimally small space that irregularities can have profound ef ...
... After passing through the empty synaptic cleft the neurotransmitters attach or bind to receptors on the postsynaptic neuron These neurotransmitters can then make the receiving neuron either more or less likely to fire It is in this infinitesimally small space that irregularities can have profound ef ...
4. Nervous System: Synapses
... – Excitatory: cause depolarization in postsynaptic neuron (stimulate next neuron) – Inhibitory: cause hyperpolarization of postsynaptic membrane that inhibits/stops the potential from moving on • Drugs can be inhibitory or excitatory • Endorphins are inhibitory- block pain ...
... – Excitatory: cause depolarization in postsynaptic neuron (stimulate next neuron) – Inhibitory: cause hyperpolarization of postsynaptic membrane that inhibits/stops the potential from moving on • Drugs can be inhibitory or excitatory • Endorphins are inhibitory- block pain ...
CHAPTER 28 Nervous Systems
... A stimulus alters the permeability of a portion of the plasma membrane – Ions pass through the plasma membrane, changing the membrane’s voltage – It causes a nerve signal to be generated ...
... A stimulus alters the permeability of a portion of the plasma membrane – Ions pass through the plasma membrane, changing the membrane’s voltage – It causes a nerve signal to be generated ...
File
... Synapses serve to connect neurons, enabling neurons to communicate by passing signals between them. Neurons control these functions by passing signals across the synapse from one neuron to the next. These signals dictate whether the receiving neuron is activated. The summaries of the diagrams should ...
... Synapses serve to connect neurons, enabling neurons to communicate by passing signals between them. Neurons control these functions by passing signals across the synapse from one neuron to the next. These signals dictate whether the receiving neuron is activated. The summaries of the diagrams should ...
Nervous System Notes
... nerve pathway that consists of a sensory neuron, an interneuron, and a motor neuron ...
... nerve pathway that consists of a sensory neuron, an interneuron, and a motor neuron ...
Neurocognition Cognitive Neuroscience/neuropsychology
... really keep up with them. To track these messages in real time, scientists now use faster methods electrical recording techniques such as MEG (magnetoencephalography) or EEG (electroencephalography). ...
... really keep up with them. To track these messages in real time, scientists now use faster methods electrical recording techniques such as MEG (magnetoencephalography) or EEG (electroencephalography). ...
The Nervous System - Kirchner-WHS
... notify the brain to react to the situation. ► Reflexes, movement, muscles, everything! ...
... notify the brain to react to the situation. ► Reflexes, movement, muscles, everything! ...
Dendritic organization of sensory input to cortical neurons in vivo
... dendritic organization of sensory inputs to neurons of the visual cortex in vivo. • Identified discrete dendritic hotspots as synaptic entry sites for specific sensory features • Afferent sensory inputs with the same orientation preference are widely dispersed over thedendritic tree and do not conve ...
... dendritic organization of sensory inputs to neurons of the visual cortex in vivo. • Identified discrete dendritic hotspots as synaptic entry sites for specific sensory features • Afferent sensory inputs with the same orientation preference are widely dispersed over thedendritic tree and do not conve ...
Kevin
... sodium ions on the outside to go inside. This causes the neuron to become depolarized (positive ions on the outside rush in and make the inside positive as well) and threshold is reached (once threshold is crossed, complete depolarization occurs and stimulus is transmitted; no going back). ...
... sodium ions on the outside to go inside. This causes the neuron to become depolarized (positive ions on the outside rush in and make the inside positive as well) and threshold is reached (once threshold is crossed, complete depolarization occurs and stimulus is transmitted; no going back). ...
Electrical Properties of Neuron
... The concentration of ions inside is different (more –ve) to that in the surrounding liquid -ve ions therefore build up on the inside surface of the membrane and an equal amount of +ve ions build up on the outside The difference in concentration generates an electrical potential (membrane poten ...
... The concentration of ions inside is different (more –ve) to that in the surrounding liquid -ve ions therefore build up on the inside surface of the membrane and an equal amount of +ve ions build up on the outside The difference in concentration generates an electrical potential (membrane poten ...
Chapter 2 PowerPoint
... Receive inputs from neighboring neurons Inputs may number in thousands If enough inputs, the cell’s AXON may generate an output ...
... Receive inputs from neighboring neurons Inputs may number in thousands If enough inputs, the cell’s AXON may generate an output ...
bioii ch10 ppt
... brain by binding to specific transmembrane receptors in the plasma membrane of both pre and postsynaptic neuronal processes. The primary role of this neurotransmitter is to slow down the neuron activity. ...
... brain by binding to specific transmembrane receptors in the plasma membrane of both pre and postsynaptic neuronal processes. The primary role of this neurotransmitter is to slow down the neuron activity. ...
Chapter 3: Biological Bases of Behavior
... called _2_ and _3_. • _4_ are cells that provide structure and insulation for neurons…neural “glue”. • __5__ are cells that receive, integrate, and transmit information…permitting communication in the nervous system. • A “typical” neuron consists of a _6_, or cell body; dendrites, which are feelerli ...
... called _2_ and _3_. • _4_ are cells that provide structure and insulation for neurons…neural “glue”. • __5__ are cells that receive, integrate, and transmit information…permitting communication in the nervous system. • A “typical” neuron consists of a _6_, or cell body; dendrites, which are feelerli ...
Synapses and neuronal signalling
... • Electrical nature of neuronal signalling • Different types of information are conveyed using similar signals carried by distinct pathways • Gene expression creates diversity and change in neuronal function ...
... • Electrical nature of neuronal signalling • Different types of information are conveyed using similar signals carried by distinct pathways • Gene expression creates diversity and change in neuronal function ...
Power Point
... Neurotransmitters of the peripheral nervous system are excitory – increase in permeability of affected membrane for sodium ions. Acetylcholine is the neurotransmitter for cranial, spinal, and parasympathetic divisions of the autonomic ...
... Neurotransmitters of the peripheral nervous system are excitory – increase in permeability of affected membrane for sodium ions. Acetylcholine is the neurotransmitter for cranial, spinal, and parasympathetic divisions of the autonomic ...
Biological Basis of Behavior
... Biological Basis of Behavior So our brain chemistry and make-up is responsible for our behavior? ...
... Biological Basis of Behavior So our brain chemistry and make-up is responsible for our behavior? ...
Power Point
... Fig. 3. SAPNS allows axons to regenerate through the lesion site in brain. The dark-field composite photos are parasagittal sections from animals 30 days after lesion and treatment. (a) Section from brain of 30-day-old hamster with 10 µl of saline injected in the lesion at P2. The cavity shows the ...
... Fig. 3. SAPNS allows axons to regenerate through the lesion site in brain. The dark-field composite photos are parasagittal sections from animals 30 days after lesion and treatment. (a) Section from brain of 30-day-old hamster with 10 µl of saline injected in the lesion at P2. The cavity shows the ...
File - SSHS AP Psychology
... the spinal cord or brain Motor neurons= carry messages from the spinal cord or the brain to the muscles and glands Interneurons= carry messages from one neuron to ...
... the spinal cord or brain Motor neurons= carry messages from the spinal cord or the brain to the muscles and glands Interneurons= carry messages from one neuron to ...
Biology Cells unit: LT8 Review
... Put the images in the correct order to represent the sodiumpotassium pump. The first one is already labeled #1. ...
... Put the images in the correct order to represent the sodiumpotassium pump. The first one is already labeled #1. ...