Vestibular senses
... Based on firing rate of ganglion cells, which is proportional to light intensity; Ganglion cells inhibit their neighbors = lateral inhibition; Lead to phenomena such as Mach bands ...
... Based on firing rate of ganglion cells, which is proportional to light intensity; Ganglion cells inhibit their neighbors = lateral inhibition; Lead to phenomena such as Mach bands ...
Practice makes perfect: a theoretical model of memory consolidation
... memory than learning it all at once. This phenomenon, known as the spacing effect, also applies to motor learning. Repeating shorter training sessions every day is more effective than one long training session in a day, even if the total training time is the same. Moreover, the learned memory is con ...
... memory than learning it all at once. This phenomenon, known as the spacing effect, also applies to motor learning. Repeating shorter training sessions every day is more effective than one long training session in a day, even if the total training time is the same. Moreover, the learned memory is con ...
Action Representation in Mirror Neurons
... strongest vision-only and motor responses. In conclusion, area F5 contains a population of neurons—audio-visual mirror neurons—that discharge not just to the execution or observation of a specific action but also when this action can only be heard. Multimodal neurons have been described in several c ...
... strongest vision-only and motor responses. In conclusion, area F5 contains a population of neurons—audio-visual mirror neurons—that discharge not just to the execution or observation of a specific action but also when this action can only be heard. Multimodal neurons have been described in several c ...
LECTURE NOTES
... brain: frontal, parietal, temporal, and further stimulate or inhibit skeletal muscles occipital. Each of the four lobes is found at appropriate times to cause movement of in each hemisphere of the brain. body parts into desired positions. The activity of the cerebellum makes rapid and A. The frontal ...
... brain: frontal, parietal, temporal, and further stimulate or inhibit skeletal muscles occipital. Each of the four lobes is found at appropriate times to cause movement of in each hemisphere of the brain. body parts into desired positions. The activity of the cerebellum makes rapid and A. The frontal ...
Memory formation: from network structure to neural dynamics
... in short, we are asking two questions: what macroscopically observed neural interactions are the hallmark of a given cognitive process, and what anatomical or physiological state underlies these interactions? Exploring these questions requires the formulation of new metrics that will allow the ident ...
... in short, we are asking two questions: what macroscopically observed neural interactions are the hallmark of a given cognitive process, and what anatomical or physiological state underlies these interactions? Exploring these questions requires the formulation of new metrics that will allow the ident ...
Text S1.
... the same selective subpopulation becoming strengthened to reach a value w+, which is w+ > 1, where 1 is the baseline synaptic connectivity strength between populations, while connections between cells from different selective subpopulations are weakened to assume a value w −, where 0 < w− < 1. In th ...
... the same selective subpopulation becoming strengthened to reach a value w+, which is w+ > 1, where 1 is the baseline synaptic connectivity strength between populations, while connections between cells from different selective subpopulations are weakened to assume a value w −, where 0 < w− < 1. In th ...
CENTRAL NERVOUS SYSTEM aka CNS
... Particular areas of the brain perform specific functions. The precentral gyrus of the frontal lobe is the primary motor area, & the postcentral gyrus of the parietal lobe is the primary sensory area. These two areas straddle the central sulcus of the cerebrum. The primary motor & sensory areas can b ...
... Particular areas of the brain perform specific functions. The precentral gyrus of the frontal lobe is the primary motor area, & the postcentral gyrus of the parietal lobe is the primary sensory area. These two areas straddle the central sulcus of the cerebrum. The primary motor & sensory areas can b ...
Motivation
... Motivation and Incentives Motivation - factors within and outside an organism that cause it to behave a certain way at a certain time Motivational state or drive - an internal condition, which can change over time, that orients an individual to a specific set of goals (e.g., hunger, thirst, sex ...
... Motivation and Incentives Motivation - factors within and outside an organism that cause it to behave a certain way at a certain time Motivational state or drive - an internal condition, which can change over time, that orients an individual to a specific set of goals (e.g., hunger, thirst, sex ...
Infant Brain Development
... Newborns cannot see very clearly, in fact their world is quite blurry at first. Newborns see best at distances of about 8 - 12 inches, so it is understandable that we all instinctively hold an infant close to our face so that he or she may see us better. Infants especially prefer to look at faces an ...
... Newborns cannot see very clearly, in fact their world is quite blurry at first. Newborns see best at distances of about 8 - 12 inches, so it is understandable that we all instinctively hold an infant close to our face so that he or she may see us better. Infants especially prefer to look at faces an ...
Brain activation during human navigation: gender
... were then spatially smoothed with an 8-mm full width at half maximum (FWHM) isotropic Gaussian kernel. For each session, the variance of each voxel was estimated according to the general linear model using a box-car model convoluted with the hemodynamic-response function as the predictor. Images wer ...
... were then spatially smoothed with an 8-mm full width at half maximum (FWHM) isotropic Gaussian kernel. For each session, the variance of each voxel was estimated according to the general linear model using a box-car model convoluted with the hemodynamic-response function as the predictor. Images wer ...
PDF file
... A major function of the brain is to develop circuits for processing sensory signals and generating motor actions. The signals in the brain are largely transmitted through neurotransmitters, endogenous chemicals that are sent from a neuron to a target cell across a synapse. A. Neurotransmitters Facin ...
... A major function of the brain is to develop circuits for processing sensory signals and generating motor actions. The signals in the brain are largely transmitted through neurotransmitters, endogenous chemicals that are sent from a neuron to a target cell across a synapse. A. Neurotransmitters Facin ...
4 lesson_15.4
... dangerous situation. stimulus. You also have experienced a reflex, when a doctor tests the knee-jerk reflex by tapping the ligament below the knee. ...
... dangerous situation. stimulus. You also have experienced a reflex, when a doctor tests the knee-jerk reflex by tapping the ligament below the knee. ...
A Neural Model of Rule Generation in Inductive Reasoning
... in life, a library of rules. During the RPM, these pre-existing rules are then applied to the current inductive problem. Hunt described this theory as early as 1973, and also pointed out the necessary conclusion of this explanation: if RPM performance is dependent on a library of known rules, then t ...
... in life, a library of rules. During the RPM, these pre-existing rules are then applied to the current inductive problem. Hunt described this theory as early as 1973, and also pointed out the necessary conclusion of this explanation: if RPM performance is dependent on a library of known rules, then t ...
Power of Music
... ing a musical task in which a client focuses on the immediate task for an extensive period of time. An example is demonstrated in a game in which inattentive children diagnosed with autism are given two different rhythmic instruments and allowed to choose two simple songs they wish to hear The songs ...
... ing a musical task in which a client focuses on the immediate task for an extensive period of time. An example is demonstrated in a game in which inattentive children diagnosed with autism are given two different rhythmic instruments and allowed to choose two simple songs they wish to hear The songs ...
Supporting Information S1.
... MEA recording system with an inter-node spacing of 200 m. Consequently, here we show that neurites can extend significantly from the soma over multiple nodes, up to 800 m (4 nodes). (Right) The same culture was counterstained with an antibody against βTubIII to show the whole network development. ...
... MEA recording system with an inter-node spacing of 200 m. Consequently, here we show that neurites can extend significantly from the soma over multiple nodes, up to 800 m (4 nodes). (Right) The same culture was counterstained with an antibody against βTubIII to show the whole network development. ...
The Cells of the Nervous System Lab
... significant impact on psychology and behavior is partly due to their morphologies. Dendrites of neuromodulators vary in size and shape, but a distinctive characteristics of these types of neurons are their long range "diffuse" projecting axons that synapse into multiple areas of the brain. This way, ...
... significant impact on psychology and behavior is partly due to their morphologies. Dendrites of neuromodulators vary in size and shape, but a distinctive characteristics of these types of neurons are their long range "diffuse" projecting axons that synapse into multiple areas of the brain. This way, ...
Chapter 4
... Brain Plasticity • Plasticity – The brain’s ability to change and adapt in response to experience (e.g., reorganizing or growing new neural connections) – Behavioural deficits that occur as a result of brain damage may be lessened by enriching environments people live in (e.g., Kolb et al., 1991) ...
... Brain Plasticity • Plasticity – The brain’s ability to change and adapt in response to experience (e.g., reorganizing or growing new neural connections) – Behavioural deficits that occur as a result of brain damage may be lessened by enriching environments people live in (e.g., Kolb et al., 1991) ...
Neurons - WordPress.com
... • Arvid Carlsson • It is an inhibitory neurotransmitter, meaning that when it finds its way to its receptor sites, it blocks the tendency of that neuron to fire. • If it feels good, dopamine neurons are probably involved • Drugs like cocaine, opium, heroin, and alcohol increase the levels of dopamin ...
... • Arvid Carlsson • It is an inhibitory neurotransmitter, meaning that when it finds its way to its receptor sites, it blocks the tendency of that neuron to fire. • If it feels good, dopamine neurons are probably involved • Drugs like cocaine, opium, heroin, and alcohol increase the levels of dopamin ...
doc nervous system notes
... unique extracellular proteins are secreted at synapses in LTM, number and size of synaptic end bulbs are increased (presynaptic neuron), more neurotransmitters are secreted, new neurons in hypocampus are formed. Memory formation involves circuits formed between the cortical sensory area, Amygdala an ...
... unique extracellular proteins are secreted at synapses in LTM, number and size of synaptic end bulbs are increased (presynaptic neuron), more neurotransmitters are secreted, new neurons in hypocampus are formed. Memory formation involves circuits formed between the cortical sensory area, Amygdala an ...
Nervous System Game Show
... • Which disease causes the brain to not produce enough neurotransmitters to transmit messages from the brain to muscles? Parkinson’s ...
... • Which disease causes the brain to not produce enough neurotransmitters to transmit messages from the brain to muscles? Parkinson’s ...
The Anatomy of Language Sydney Lamb Rice University, Houston
... The cerebral cortex is a neural network A linguistic system is therefore represented as a neural network Therefore, any component of the system does what it does by virtue of its connections to other components ...
... The cerebral cortex is a neural network A linguistic system is therefore represented as a neural network Therefore, any component of the system does what it does by virtue of its connections to other components ...
Agenda
... Generation Rate • The rate of data generation increases as the hardware and software on the scanners improve • Estimated that in 5 years, fMRI scanners will have more channels for data acquisition, will increase the size of the files by a factor of 10 • In addition, will add a number of different te ...
... Generation Rate • The rate of data generation increases as the hardware and software on the scanners improve • Estimated that in 5 years, fMRI scanners will have more channels for data acquisition, will increase the size of the files by a factor of 10 • In addition, will add a number of different te ...
What is a Seizure?
... What causes epilepsy? In about 70% of people with epilepsy, the cause is not ...
... What causes epilepsy? In about 70% of people with epilepsy, the cause is not ...