The Nervous System
... Neurons • The basic functional units of the nervous system • Parts of a neuron – Cell body (Soma) – Short, branched dendrites – Long, single axon ...
... Neurons • The basic functional units of the nervous system • Parts of a neuron – Cell body (Soma) – Short, branched dendrites – Long, single axon ...
Sensory receptors - E
... • Bats use sonar to detect their prey. • Moths, a common prey for bats, can detect the bat’s sonar and attempt to flee. • Both organisms have complex sensory systems that facilitate survival. • These systems include diverse mechanisms that sense stimuli and generate appropriate movement. Copyrig ...
... • Bats use sonar to detect their prey. • Moths, a common prey for bats, can detect the bat’s sonar and attempt to flee. • Both organisms have complex sensory systems that facilitate survival. • These systems include diverse mechanisms that sense stimuli and generate appropriate movement. Copyrig ...
Psychology Lecture 02 - Biological Basis
... ◦ Otolithic Membrane: Thick, gelatin-like layer of glycoproteins weighted down by otoliths (calcium crystals). ◦ Shifting the head causes changes in these structures that generate nerve signals. ...
... ◦ Otolithic Membrane: Thick, gelatin-like layer of glycoproteins weighted down by otoliths (calcium crystals). ◦ Shifting the head causes changes in these structures that generate nerve signals. ...
Sensory Systems - Zanichelli online per la scuola
... separated by two membranes), Reissner’s membrane, and basilar membrane. Organ of Corti sits on the basilar membrane: transduces pressure waves into action potentials. Hair cells: mechanoreceptors in organs of hearing and balance. They have microvilli called stereocilia. Bending of stereocilia open o ...
... separated by two membranes), Reissner’s membrane, and basilar membrane. Organ of Corti sits on the basilar membrane: transduces pressure waves into action potentials. Hair cells: mechanoreceptors in organs of hearing and balance. They have microvilli called stereocilia. Bending of stereocilia open o ...
unit 5: the nervous and endocrine systems
... To work out responses from effectors organs. To regulate the functions of every part of the nervous system. To control higher nerve functions like memory, reasoning, intelligence, conscience and will. - The cerebellum: Its characteristics are: . It is located in the back part of the brain. . I ...
... To work out responses from effectors organs. To regulate the functions of every part of the nervous system. To control higher nerve functions like memory, reasoning, intelligence, conscience and will. - The cerebellum: Its characteristics are: . It is located in the back part of the brain. . I ...
Chapter 21
... sensation (e.g., touch) different from another sensation (e.g., pain) is its modality. 5. A characteristic of many sensory receptors is adaptation, i.e., a decrease in perception of a sensation during a prolonged stimulus; receptors vary in how quickly they adapt. 6. Sensations can be grouped into t ...
... sensation (e.g., touch) different from another sensation (e.g., pain) is its modality. 5. A characteristic of many sensory receptors is adaptation, i.e., a decrease in perception of a sensation during a prolonged stimulus; receptors vary in how quickly they adapt. 6. Sensations can be grouped into t ...
Primary motor cortex
... The PET scan on the left shows two areas of the brain (red and yellow) that become particularly active when volunteers read words on a video screen: the primary visual cortex and an additional part of the visual system, both in the back of the left hemisphere. Other brain regions become especially a ...
... The PET scan on the left shows two areas of the brain (red and yellow) that become particularly active when volunteers read words on a video screen: the primary visual cortex and an additional part of the visual system, both in the back of the left hemisphere. Other brain regions become especially a ...
Outline 12
... They include many receptors of the skin, viscera, and joints o Receptors can be classified by the distribution of receptors in the body General senses employ receptors that are widely distributed in the ____________, muscles, tendons, joint capsules and viscera They detect touch, pressure, str ...
... They include many receptors of the skin, viscera, and joints o Receptors can be classified by the distribution of receptors in the body General senses employ receptors that are widely distributed in the ____________, muscles, tendons, joint capsules and viscera They detect touch, pressure, str ...
Notes - The Nervous System
... – Messages come in from different stimuli and trigger electrical impulses. – At the end of the axon it is changed into a chemical message so it can cross over the synapse – neurotransmitters. ...
... – Messages come in from different stimuli and trigger electrical impulses. – At the end of the axon it is changed into a chemical message so it can cross over the synapse – neurotransmitters. ...
The Portable Neuromodulation Stimulator (PoNS™) FACT SHEET
... In the research setting, the PoNS device is placed on the tongue while specially patterned electrical impulses are generated by the device. For 20 minutes the electrical stimulation is coupled with targeted functional therapy, called Cranial Nerve Non-Invasive Neuromodulation (CN-NINM). Therapy cons ...
... In the research setting, the PoNS device is placed on the tongue while specially patterned electrical impulses are generated by the device. For 20 minutes the electrical stimulation is coupled with targeted functional therapy, called Cranial Nerve Non-Invasive Neuromodulation (CN-NINM). Therapy cons ...
The Nervous System
... • Carries fine touch, pressure, proprioception (position) • Ascending neurons synapse in medulla oblongata • Axons cross over and synapse in thalamus • Thalamus sends axons to primary sensory cortex • Organized as sensory homunculus ...
... • Carries fine touch, pressure, proprioception (position) • Ascending neurons synapse in medulla oblongata • Axons cross over and synapse in thalamus • Thalamus sends axons to primary sensory cortex • Organized as sensory homunculus ...
NERVOUS SYSTEM
... Cranial nerves – 12 pairs of nerves originate from the brain to innervate the head and neck. Most cranial nerves are mixed, but some are sensory. Only the vagus nerve extends to thoracic and abdominal cavities. (Cranial nerves are listed in table 7.1.) Spinal nerves – 31 pairs of mixed nerves are fo ...
... Cranial nerves – 12 pairs of nerves originate from the brain to innervate the head and neck. Most cranial nerves are mixed, but some are sensory. Only the vagus nerve extends to thoracic and abdominal cavities. (Cranial nerves are listed in table 7.1.) Spinal nerves – 31 pairs of mixed nerves are fo ...
Skeletal Reflexes - University of Houston College of Optometry
... They’re present because they are a natural constituent of striated muscle ...
... They’re present because they are a natural constituent of striated muscle ...
Lecture 4 ppt
... WE OBSERVE IS A RESULT OF PROCESSING BY CERTAIN BRAIN STRUCTURES. • THE QUESTION IS HOW THESE STRUCTURES OPERATE? THIS HAS TO BE VERY COMPLEX. CERTAIN BEHAVIORS ARE PROGRAMMED (ANIMALS) BUT THERE IS SIGNIFICANT LEARNING AND ADAPTATION ABILITY. • IT IS KNOWN THAT NEURAL NETWORKS ARE VERY ’PLASTIC’ BU ...
... WE OBSERVE IS A RESULT OF PROCESSING BY CERTAIN BRAIN STRUCTURES. • THE QUESTION IS HOW THESE STRUCTURES OPERATE? THIS HAS TO BE VERY COMPLEX. CERTAIN BEHAVIORS ARE PROGRAMMED (ANIMALS) BUT THERE IS SIGNIFICANT LEARNING AND ADAPTATION ABILITY. • IT IS KNOWN THAT NEURAL NETWORKS ARE VERY ’PLASTIC’ BU ...
Slide ()
... A. The experimental design includes "bottom-up" and "top-down" retrieval conditions. A monkey was trained to associate a specific object with a prior visual cue. During testing the monkey was shown a visual cue on a screen. After a delay the monkey was then shown one of several objects (choice). The ...
... A. The experimental design includes "bottom-up" and "top-down" retrieval conditions. A monkey was trained to associate a specific object with a prior visual cue. During testing the monkey was shown a visual cue on a screen. After a delay the monkey was then shown one of several objects (choice). The ...
Slide ()
... A. The experimental design includes "bottom-up" and "top-down" retrieval conditions. A monkey was trained to associate a specific object with a prior visual cue. During testing the monkey was shown a visual cue on a screen. After a delay the monkey was then shown one of several objects (choice). The ...
... A. The experimental design includes "bottom-up" and "top-down" retrieval conditions. A monkey was trained to associate a specific object with a prior visual cue. During testing the monkey was shown a visual cue on a screen. After a delay the monkey was then shown one of several objects (choice). The ...
Unit 4 Test Study sheet
... While there will be some questions on the overall organization of the NS, we will mostly focus on NS function of overall body control and sensory interpretation. There will be questions on reflexes, and a heavy emphasize on skeletal muscle structure and function. Topics in general covered in this un ...
... While there will be some questions on the overall organization of the NS, we will mostly focus on NS function of overall body control and sensory interpretation. There will be questions on reflexes, and a heavy emphasize on skeletal muscle structure and function. Topics in general covered in this un ...
Guided Notes for the Nervous System-
... 19. Structural classification is based on the number of processes extending from the cell. If there are several, the neuron is multipolar. This is the most common type because all motor and association neurons are multipolar. ...
... 19. Structural classification is based on the number of processes extending from the cell. If there are several, the neuron is multipolar. This is the most common type because all motor and association neurons are multipolar. ...
The Peripheral Nervous System
... The Peripheral Nervous System What we already know… the PNS is/has – Nervous structures outside the brain and spinal cord – Nerves allow the CNS to receive information and take action – Functional components of the PNS • Afferent (Sensory) – Has somatic and visceral components » Each with a gener ...
... The Peripheral Nervous System What we already know… the PNS is/has – Nervous structures outside the brain and spinal cord – Nerves allow the CNS to receive information and take action – Functional components of the PNS • Afferent (Sensory) – Has somatic and visceral components » Each with a gener ...
28-1 Pt II - Southgate Community School District
... – Optic lobes are involved in vision, and olfactory bulbs are involved in the sense of smell. – Vertebrate brains are connected to the rest of the body by a thick collection of nerves called a ...
... – Optic lobes are involved in vision, and olfactory bulbs are involved in the sense of smell. – Vertebrate brains are connected to the rest of the body by a thick collection of nerves called a ...
Unit 2: Nervous System
... • Spinal cord = communication highway • All nerves communicate through Spine ...
... • Spinal cord = communication highway • All nerves communicate through Spine ...
Chapter 12 Notes: Nervous Tissue 2014
... One division causes excitation and the other one causes inhibition. ANS FUNCTIONS: Regulates the activity of smooth muscle, cardiac muscle and certain glands. Maintains homeostasis by constantly receiving sensory input from receptors in organs, and producing motor output to those same effector organ ...
... One division causes excitation and the other one causes inhibition. ANS FUNCTIONS: Regulates the activity of smooth muscle, cardiac muscle and certain glands. Maintains homeostasis by constantly receiving sensory input from receptors in organs, and producing motor output to those same effector organ ...
CNS_notes
... Two pathways lead from peripheral sensory receptors (touch, temperature, pain, …) to cerebral cortex: spinothalamic and posterior (or dorsal) column pathways. For each pathway, know: where cell bodies/axons of 1st, 2nd, 3rd order neurons are/travel; what sensations are carried. Common features of bo ...
... Two pathways lead from peripheral sensory receptors (touch, temperature, pain, …) to cerebral cortex: spinothalamic and posterior (or dorsal) column pathways. For each pathway, know: where cell bodies/axons of 1st, 2nd, 3rd order neurons are/travel; what sensations are carried. Common features of bo ...
Chapter 29 Nervous and Endocrine System
... from the axon and transmit impulse across synapse by binding to receptor sites on dendrite of adjacent neuron Impulses are self-propagating, like dominos ...
... from the axon and transmit impulse across synapse by binding to receptor sites on dendrite of adjacent neuron Impulses are self-propagating, like dominos ...