Central Control of Motor Function
... a minute-to-minute basis. The motor cortex sends information to both, and both structures send information back via the thalamus. Output of the cerebellum is excitatory and inhibitory, while the basal ganglia are inhibitory. The balance between these two systems allows for smooth, coordinated moveme ...
... a minute-to-minute basis. The motor cortex sends information to both, and both structures send information back via the thalamus. Output of the cerebellum is excitatory and inhibitory, while the basal ganglia are inhibitory. The balance between these two systems allows for smooth, coordinated moveme ...
Airgas template
... A __________________ is a an irregularly occurring, brief, repetitive movement such as winking, grimacing, or shoulder shrugging. ...
... A __________________ is a an irregularly occurring, brief, repetitive movement such as winking, grimacing, or shoulder shrugging. ...
File
... Neurons either fire maximally or not at all, this is referred to as the “all or none” response Increasing neuronal stimulation beyond a critical level will not result in an increased response Neurons response to increased stimulation by increasing the frequency of firing, not the intensity at wh ...
... Neurons either fire maximally or not at all, this is referred to as the “all or none” response Increasing neuronal stimulation beyond a critical level will not result in an increased response Neurons response to increased stimulation by increasing the frequency of firing, not the intensity at wh ...
Neuron-target interaction 1. Synapse formation between presynaptic
... Neuron-target interaction 1. Synapse formation between presynaptic and postsynaptic cells synaptogenesis in neuromuscular junction (NMJ) Central synapses form in a similar manner as in NMJ. synapse elimination- A large number of synapses eliminated. Proposed model: Active axon triggers the generatio ...
... Neuron-target interaction 1. Synapse formation between presynaptic and postsynaptic cells synaptogenesis in neuromuscular junction (NMJ) Central synapses form in a similar manner as in NMJ. synapse elimination- A large number of synapses eliminated. Proposed model: Active axon triggers the generatio ...
Basal Ganglia
... saccadic eye movements, as well as PPN which is connected to brainstem motor centers involved in postural adjustements and certain rhythmic movemnts that appear pre-programmed (e.g, swalling, swinging arms while walking, blinking). ...
... saccadic eye movements, as well as PPN which is connected to brainstem motor centers involved in postural adjustements and certain rhythmic movemnts that appear pre-programmed (e.g, swalling, swinging arms while walking, blinking). ...
Document
... • Specialized to conduct information from one part of the body to another • There are many, many different types of neurons but most have certain structural and functional characteristics in common: - Cell body (soma) - One or more specialized, slender processes (axons/dendrites) - An input region ( ...
... • Specialized to conduct information from one part of the body to another • There are many, many different types of neurons but most have certain structural and functional characteristics in common: - Cell body (soma) - One or more specialized, slender processes (axons/dendrites) - An input region ( ...
Histology05-NerveTissue
... nerves, respectively • Contain large sensory neurons and abundant small glial cells, called satellite cells • Sensory neurons are pseudounipolar ...
... nerves, respectively • Contain large sensory neurons and abundant small glial cells, called satellite cells • Sensory neurons are pseudounipolar ...
The Teenage Brain
... • Attention • Concentration • Awareness of abilities • Self-control • “do the right thing” ...
... • Attention • Concentration • Awareness of abilities • Self-control • “do the right thing” ...
Final Exam Practice Problems
... their whole hand instead of their fingers). The Babinski sign is a test for corticospinal lesions. Babies have a positive Babinski because their corticospinal connections haven’t fully developed. 19. In the late 1980s, Italian scientists discovered “mirror” neurons. These cells fire action potential ...
... their whole hand instead of their fingers). The Babinski sign is a test for corticospinal lesions. Babies have a positive Babinski because their corticospinal connections haven’t fully developed. 19. In the late 1980s, Italian scientists discovered “mirror” neurons. These cells fire action potential ...
Motor systems(W)
... - head turning, eye fixation 5 – Species specific action patterns - ingestion, courtship, escape/defence, grooming, gestures 6 – Acquired skills - speech dressing, painting, driving, sports, etc ...
... - head turning, eye fixation 5 – Species specific action patterns - ingestion, courtship, escape/defence, grooming, gestures 6 – Acquired skills - speech dressing, painting, driving, sports, etc ...
document
... mental abilities and our character traits. Through observations of people, Gall pinpointed areas of the brain responsible for 37 traits. ...
... mental abilities and our character traits. Through observations of people, Gall pinpointed areas of the brain responsible for 37 traits. ...
PNS Terminology
... – the production of dopamine by the substantia nigra also effects muscle tone by modifying this path – caudate nucleus and putamen receive sensory input from several areas of the brain – to know what muscles are doing ...
... – the production of dopamine by the substantia nigra also effects muscle tone by modifying this path – caudate nucleus and putamen receive sensory input from several areas of the brain – to know what muscles are doing ...
Exercise 17
... Unipolar neurons: one very short process; divides into central and peripheral processes Only the most distal portions of the peripheral process act as receptors Almost all neurons that conduct impulses toward the CNS Bipolar neurons: two processes attached to the cell body Very rare Found only in th ...
... Unipolar neurons: one very short process; divides into central and peripheral processes Only the most distal portions of the peripheral process act as receptors Almost all neurons that conduct impulses toward the CNS Bipolar neurons: two processes attached to the cell body Very rare Found only in th ...
Neurons
... Nervous systems have two categories of cells: • Neurons, or nerve cells, are excitable— they generate and transmit electrical signals, called action potentials. • Afferent neurons carry sensory information into the nervous ...
... Nervous systems have two categories of cells: • Neurons, or nerve cells, are excitable— they generate and transmit electrical signals, called action potentials. • Afferent neurons carry sensory information into the nervous ...
abstract
... regions, cortex and the brainstem, at two time points of 12hr light/12hr dark cycle, namely, mid-light and mid-dark. The results obtained showed that the activity of tryptophan hydroxylase was significantly greater in control animals during the dark than light phase both in the cortex and brainstem. ...
... regions, cortex and the brainstem, at two time points of 12hr light/12hr dark cycle, namely, mid-light and mid-dark. The results obtained showed that the activity of tryptophan hydroxylase was significantly greater in control animals during the dark than light phase both in the cortex and brainstem. ...
bulbar pseudobulbar
... and one side of the upper motor neurons of the pyramidal tract, a condition known as alternating hemiplegia may result. This involves paralysis of different structures on each side of the body. The lesion on the nucleus of the cranial nerve will cause a paralysis of the structures served by that ner ...
... and one side of the upper motor neurons of the pyramidal tract, a condition known as alternating hemiplegia may result. This involves paralysis of different structures on each side of the body. The lesion on the nucleus of the cranial nerve will cause a paralysis of the structures served by that ner ...
E1 – Stimulus and response - IBDPBiology-Dnl
... neurons, motor neurons, synapses and effectors in the response of animals to stimuli. E.1.3 Draw and label a diagram of a reflex arc for a pain withdrawal reflex, including the spinal cord and its spinal nerves, the receptor cell, sensory neuron, relay neuron, motor neuron and effector. E.1.4 Ex ...
... neurons, motor neurons, synapses and effectors in the response of animals to stimuli. E.1.3 Draw and label a diagram of a reflex arc for a pain withdrawal reflex, including the spinal cord and its spinal nerves, the receptor cell, sensory neuron, relay neuron, motor neuron and effector. E.1.4 Ex ...
4Central Nervous System (CNS)
... Second largest part of the human brain _____________________________________________ to produce coordinated movements so that we can maintain _____________________ ___________________________________________________________ Recent evidence shows the coordinating effects of the cerebellum may b ...
... Second largest part of the human brain _____________________________________________ to produce coordinated movements so that we can maintain _____________________ ___________________________________________________________ Recent evidence shows the coordinating effects of the cerebellum may b ...
Neuron Summary - MsHughesPsychology
... 2. Soma – cell body, the section that determines whether the neuron will be activated and thus transmit (pass on) the neural stimulation to other neurons 3. Axon – a single tube like extension that transmits messages (neural impulses) from the soma to other cells in the body, including other neurons ...
... 2. Soma – cell body, the section that determines whether the neuron will be activated and thus transmit (pass on) the neural stimulation to other neurons 3. Axon – a single tube like extension that transmits messages (neural impulses) from the soma to other cells in the body, including other neurons ...
PowerPoint Slides
... The Structure of Neurons •The spikes travelling along the axon of the presynaptic neuron trigger the release of neurotransmitter substances at the synapse. •The neurotransmitters cause excitation or inhibition in the dendrite of the post-synaptic neuron. •The integration of the excitatory and inhib ...
... The Structure of Neurons •The spikes travelling along the axon of the presynaptic neuron trigger the release of neurotransmitter substances at the synapse. •The neurotransmitters cause excitation or inhibition in the dendrite of the post-synaptic neuron. •The integration of the excitatory and inhib ...
Document
... Integration of EPSPs (depolarization) and ISPSs (hyperpolarization) occurs on the neuronal cell body -Small EPSPs add together to bring the membrane potential closer to the threshold -IPSPs subtract from the depolarizing effect of EPSPs -And will therefore deter the membrane potential from reaching ...
... Integration of EPSPs (depolarization) and ISPSs (hyperpolarization) occurs on the neuronal cell body -Small EPSPs add together to bring the membrane potential closer to the threshold -IPSPs subtract from the depolarizing effect of EPSPs -And will therefore deter the membrane potential from reaching ...
Central Sensitization
... in the central nervous system (CNS) in the processing of afferent nociceptive signals leading to hypersensitivity. There is increased responsiveness of nociceptive neurons to their normal input and there can also be long term potentiation (LTP) after repeated stimulation from the periphery. This is ...
... in the central nervous system (CNS) in the processing of afferent nociceptive signals leading to hypersensitivity. There is increased responsiveness of nociceptive neurons to their normal input and there can also be long term potentiation (LTP) after repeated stimulation from the periphery. This is ...
Biology 621 - Chapter 12 Midterm Exam Review
... 24.Sensory neurons carry impulses from receptors to the spinal cord. 25. What are the two major division of the peripheral nervous system? autonomic &somatic 26 Nervous system subdivision that is composed of the brain and spinal cord.CNS 27.The neuron is the basic functional unit of the nervous syst ...
... 24.Sensory neurons carry impulses from receptors to the spinal cord. 25. What are the two major division of the peripheral nervous system? autonomic &somatic 26 Nervous system subdivision that is composed of the brain and spinal cord.CNS 27.The neuron is the basic functional unit of the nervous syst ...
Funkcje ruchowe
... Basic types of rhythm generators. Abbreviations: D – driver, E – extensor motoneuron, F – flexor motoneuron, I – interneuron, P – pacemaker (rhythm generator). Excitatory neurons – open profiles, inhibitory neurons – filled profiles A.E and F motoneuron groups are activated by corresponding groups o ...
... Basic types of rhythm generators. Abbreviations: D – driver, E – extensor motoneuron, F – flexor motoneuron, I – interneuron, P – pacemaker (rhythm generator). Excitatory neurons – open profiles, inhibitory neurons – filled profiles A.E and F motoneuron groups are activated by corresponding groups o ...
