Nerve Cell Flashcards
... Repolarization: Enough sodium ions flow out of the cell to make the membrane potential become negative Action Potential = depolarization + repolarization The nerve impulse arrives at the synaptic knob of the presynaptic cell, then the neurotransmitter is released. The NT binds to receptors on the po ...
... Repolarization: Enough sodium ions flow out of the cell to make the membrane potential become negative Action Potential = depolarization + repolarization The nerve impulse arrives at the synaptic knob of the presynaptic cell, then the neurotransmitter is released. The NT binds to receptors on the po ...
Vision
... What the Brain Uses - Monocular Cues – depth cues, such as interposition and linear perspective available to either eye alone - Binocular Cues - depth cues, such as retinal disparity that depend on the use of two eyes - Retinal disparity – a binocular cue for perceiving depth: by comparing images f ...
... What the Brain Uses - Monocular Cues – depth cues, such as interposition and linear perspective available to either eye alone - Binocular Cues - depth cues, such as retinal disparity that depend on the use of two eyes - Retinal disparity – a binocular cue for perceiving depth: by comparing images f ...
m5zn_e06294c55d2e0eb
... - Each spinal nerve is connected to the spinal cord by two roots: the anterior root and the posterior root. The anterior root carrying nerve impulses away from the central nervous system ( efferent fibers) go to skeletal muscle and cause them to contract are called motor fibers. Their cells of origi ...
... - Each spinal nerve is connected to the spinal cord by two roots: the anterior root and the posterior root. The anterior root carrying nerve impulses away from the central nervous system ( efferent fibers) go to skeletal muscle and cause them to contract are called motor fibers. Their cells of origi ...
To allow an immediate response to stimuli in the
... from the cell body) -A “nerve” consists of one or more neurons -two neurons in a row, are separated by a “synapse” (a gap) -when the nerve signal gets to the end of the axon, it releases chemicals called “neurotransmitters” which cross the synapse, and initiate the signal in the dendrites of the nex ...
... from the cell body) -A “nerve” consists of one or more neurons -two neurons in a row, are separated by a “synapse” (a gap) -when the nerve signal gets to the end of the axon, it releases chemicals called “neurotransmitters” which cross the synapse, and initiate the signal in the dendrites of the nex ...
Document
... Neural crest cells give rise to: A. Muscles of the pharyngeal arch origin B. The adrenal cortex C. The meninges D. Both A and C E. All of the above ...
... Neural crest cells give rise to: A. Muscles of the pharyngeal arch origin B. The adrenal cortex C. The meninges D. Both A and C E. All of the above ...
The Nervous System (ppt).
... Spinal cord is about the size of a thumb, thicker in cervical and lumbar regions ...
... Spinal cord is about the size of a thumb, thicker in cervical and lumbar regions ...
Chapter 4: The Cytology of Neurons
... neurons in spinal cord. Pyramidal cells are the excitatory projection neurons in the cerebral cortex using L-glutamate as neurotransmitter. Pyramidal cells have not one but two dendritic trees emerging from opposite sides of the cell body: basal dendrites (the same side that gives rise to axon) and ...
... neurons in spinal cord. Pyramidal cells are the excitatory projection neurons in the cerebral cortex using L-glutamate as neurotransmitter. Pyramidal cells have not one but two dendritic trees emerging from opposite sides of the cell body: basal dendrites (the same side that gives rise to axon) and ...
Sensation and Perception
... environmental stimuli (sounds, objects, odors) Perception: occurs when we integrate, organize, and interpret sensory information in a meaningful way No clear boundary line between the two processes- psychology often regards the two processes as a single process ...
... environmental stimuli (sounds, objects, odors) Perception: occurs when we integrate, organize, and interpret sensory information in a meaningful way No clear boundary line between the two processes- psychology often regards the two processes as a single process ...
The Human Nervous System
... stimulant that causes actual physical changes to the brain. It effects the level of dopamine in the brain and is highly addictive. Stimulants will increase the activity of the Central ...
... stimulant that causes actual physical changes to the brain. It effects the level of dopamine in the brain and is highly addictive. Stimulants will increase the activity of the Central ...
53 XIX BLY 122 Lecture Notes (O`Brien)
... (1) Two hemispheres (2) Corpus callosum: neurons that connect 2 hemispheres ...
... (1) Two hemispheres (2) Corpus callosum: neurons that connect 2 hemispheres ...
Dear Notetaker:
... Inhibitory centers and excitatory surrounds also o If those LGN cells have the same receptive field properties as RGCs then why have them? o The main role of the LGN is not to extract info from RGCs but to regulate the neural signal and where it goes o More of a control center than a place of anal ...
... Inhibitory centers and excitatory surrounds also o If those LGN cells have the same receptive field properties as RGCs then why have them? o The main role of the LGN is not to extract info from RGCs but to regulate the neural signal and where it goes o More of a control center than a place of anal ...
Mechanisms of neural tube closure and defects
... Neural tube closure (neurulation) is a complex process involving many cell phenomena. Both extrinsic and intrinsic forces are essential to elevate the neural plate into the neural folds and to bring the folds into apposition for closure. Extrinsic forces involve the underlying mesenchyme cells and e ...
... Neural tube closure (neurulation) is a complex process involving many cell phenomena. Both extrinsic and intrinsic forces are essential to elevate the neural plate into the neural folds and to bring the folds into apposition for closure. Extrinsic forces involve the underlying mesenchyme cells and e ...
Paying attention to correlated neural activity
... A rose by any other name No two roses smell exactly alike, yet we still perceive their scents as being the same. Most natural odors are made up of odorant mixtures that evoke complex patterns of neural activity, and it is rare for an odor to have the exact same components in the exact same proportio ...
... A rose by any other name No two roses smell exactly alike, yet we still perceive their scents as being the same. Most natural odors are made up of odorant mixtures that evoke complex patterns of neural activity, and it is rare for an odor to have the exact same components in the exact same proportio ...
Unit 2 PowerPoint 2.1 and 2.2
... equilibrium, situated between the brain stem and the back of the cerebrum and formed in humans of two lateral lobes and a median lobe. ...
... equilibrium, situated between the brain stem and the back of the cerebrum and formed in humans of two lateral lobes and a median lobe. ...
The Nervous System
... • K+ diffuses out repolarization of membrane • Na+/K+ ion concentrations restored by sodiumpotassium pump (uses ATP) ...
... • K+ diffuses out repolarization of membrane • Na+/K+ ion concentrations restored by sodiumpotassium pump (uses ATP) ...
Harvard-MIT Division of Health Sciences and Technology HST.131: Introduction to Neuroscience
... ganglion cell synapse, can release GABA or glycine once stimulated by the bipolar neuron. Thus, with a temporal lag, the response of the ganglion cell will be reduced. d. Once exposed to light, rhodopsin is photobleached and needs to be recycled before it can be used again in the photoreceptor. Thus ...
... ganglion cell synapse, can release GABA or glycine once stimulated by the bipolar neuron. Thus, with a temporal lag, the response of the ganglion cell will be reduced. d. Once exposed to light, rhodopsin is photobleached and needs to be recycled before it can be used again in the photoreceptor. Thus ...
Chapter 7 part two
... More about biased competition One theory that brings together all of the reviewed attention effects (top-down biases, gain modulation, enhancement and suppression) is Desimone and Duncan’s ‘biased competition’model of attention. The theory rests on three assumptions. First, given the limits on ou ...
... More about biased competition One theory that brings together all of the reviewed attention effects (top-down biases, gain modulation, enhancement and suppression) is Desimone and Duncan’s ‘biased competition’model of attention. The theory rests on three assumptions. First, given the limits on ou ...
Nervous System
... More intelligent animals have increased “uncommitted” or association areas of the cortex. ...
... More intelligent animals have increased “uncommitted” or association areas of the cortex. ...
Molecular and Cellular Mechanisms of the Neurovascular Link
... nal migration, axon guidance, dendritogenesis ...
... nal migration, axon guidance, dendritogenesis ...
Nervous-System
... • 1. Take one pipe cleaner and roll it into a ball. This is will be the cell body. • 2.Take another pipe cleaner and attach it to the new "cell body" by pushing it through the ball so there are two halves sticking out. Take the two halves and twist them together into a single extension. This will be ...
... • 1. Take one pipe cleaner and roll it into a ball. This is will be the cell body. • 2.Take another pipe cleaner and attach it to the new "cell body" by pushing it through the ball so there are two halves sticking out. Take the two halves and twist them together into a single extension. This will be ...