Neural computations associated with goal-directed choice
... Peak activity for choices over gambles representing both monetary gain and loss from Tom et al. [24] is shown in green. Yellow voxels represent the peak for decisions about charitable donations from Hare et al. [34]. Examples of the stimuli associated with each peak are shown on the right inside a ...
... Peak activity for choices over gambles representing both monetary gain and loss from Tom et al. [24] is shown in green. Yellow voxels represent the peak for decisions about charitable donations from Hare et al. [34]. Examples of the stimuli associated with each peak are shown on the right inside a ...
12-2 Neurons
... – The basic functional units of the nervous system – The structure of neurons • The multipolar neuron – Common in the CNS » Cell body (soma) » Short, branched dendrites » Long, single axon ...
... – The basic functional units of the nervous system – The structure of neurons • The multipolar neuron – Common in the CNS » Cell body (soma) » Short, branched dendrites » Long, single axon ...
09_chapter_3
... the first condition, and P8 the second. Both data sets include not only reach trials but also brain control trials. ...
... the first condition, and P8 the second. Both data sets include not only reach trials but also brain control trials. ...
Are We Paying Attention Yet?
... vector possibly evoked from stimulation site Microstimulation enhanced neuronal response discriminability for visual stimuli appearing at ...
... vector possibly evoked from stimulation site Microstimulation enhanced neuronal response discriminability for visual stimuli appearing at ...
Chapter 10
... tions performed by the other provides an alternative explanation that may help to explain and redefine the concept of representation. You will recall that Descartes invoked the idea of representation to explicate the correspondence between the mind and the world, a correspondence that assures a prec ...
... tions performed by the other provides an alternative explanation that may help to explain and redefine the concept of representation. You will recall that Descartes invoked the idea of representation to explicate the correspondence between the mind and the world, a correspondence that assures a prec ...
Enlightenment - The Dartmouth Undergraduate Journal of Science
... Optogenetics has several key advantages over previous methods of controlling neuronal activity, such as electrical stimulation or neurotransmitter uncaging. Optogenetics is less invasive than electrical stimulation, since light can penetrate several millimeters into brain tissue (7). Neurotransmitte ...
... Optogenetics has several key advantages over previous methods of controlling neuronal activity, such as electrical stimulation or neurotransmitter uncaging. Optogenetics is less invasive than electrical stimulation, since light can penetrate several millimeters into brain tissue (7). Neurotransmitte ...
This Week in The Journal - The Journal of Neuroscience
... Speech is a complex motor skill in which muscles controlling the tongue, lips, and larynx must be coordinated to make rapid transitions between phonemes. The ability to string syllables together in the proper sequence is impaired in people who have mutations in FoxP2, a transcription factor expresse ...
... Speech is a complex motor skill in which muscles controlling the tongue, lips, and larynx must be coordinated to make rapid transitions between phonemes. The ability to string syllables together in the proper sequence is impaired in people who have mutations in FoxP2, a transcription factor expresse ...
Chapter 4: The Cytology of Neurons
... Sheath Around Signal-Conducting Axons In CNS, the central branch of dorsal root ganglion cell axons and motor neurons are myelinated by oligodendrocyte. Unlike Schwann cells, each oligodendrocyte ensheathes several axon processes. Expression of myelin genes by oligodendrocyte depends on the presence ...
... Sheath Around Signal-Conducting Axons In CNS, the central branch of dorsal root ganglion cell axons and motor neurons are myelinated by oligodendrocyte. Unlike Schwann cells, each oligodendrocyte ensheathes several axon processes. Expression of myelin genes by oligodendrocyte depends on the presence ...
whisker outline.doc
... layers 2/3 is characterized by cortico-cortical horizontal connections that the cortex with the ability to integrate inputs from different sensory modalities from different cortical areas, makes this area functionally very dynamic. The inhibitory neurons here are responsible for refining receptive f ...
... layers 2/3 is characterized by cortico-cortical horizontal connections that the cortex with the ability to integrate inputs from different sensory modalities from different cortical areas, makes this area functionally very dynamic. The inhibitory neurons here are responsible for refining receptive f ...
Controlling Robots with the Mind
... There were caveats, however. Georgopoulos had recorded the activity of single neurons one at a time and from only one motor area. This approach left unproved the underlying hypothesis that some kind of coding scheme emerges from the simultaneous activity of many neurons distributed across multiple c ...
... There were caveats, however. Georgopoulos had recorded the activity of single neurons one at a time and from only one motor area. This approach left unproved the underlying hypothesis that some kind of coding scheme emerges from the simultaneous activity of many neurons distributed across multiple c ...
Neurons and Nervous System
... cannot open. Na+ channels have two gates: • An activation gate is closed at rest but opens quickly at threshold. • An inactivation gate is open at rest and closes at threshold but responds more slowly. The gate reopens 1–2 milliseconds later than the activation gate closes. ...
... cannot open. Na+ channels have two gates: • An activation gate is closed at rest but opens quickly at threshold. • An inactivation gate is open at rest and closes at threshold but responds more slowly. The gate reopens 1–2 milliseconds later than the activation gate closes. ...
Stochastic fluctuations of the synaptic function
... to all the neurons of brain, it would constitute a strong biological constraint for all the theories about superior brain functions and, in particular, for the theories on brain neural code. The relatively recent hypothesis assuming that the neural code is embedded in temporally coherent firing even ...
... to all the neurons of brain, it would constitute a strong biological constraint for all the theories about superior brain functions and, in particular, for the theories on brain neural code. The relatively recent hypothesis assuming that the neural code is embedded in temporally coherent firing even ...
Chapter 4: The Central Nervous System
... identical – but they in fact have some specialised functions that are not duplicated in the other. Hemispheric Specialisation refers to the specialisation and dominance of certain functions by each hemisphere of the brain. These differences are most apparent in stroke victims and people that had suf ...
... identical – but they in fact have some specialised functions that are not duplicated in the other. Hemispheric Specialisation refers to the specialisation and dominance of certain functions by each hemisphere of the brain. These differences are most apparent in stroke victims and people that had suf ...
Lugaro, Ernesto
... tended to side with their countryman. Notable exceptions were represented by the two neuropsychiatrists Eugenio Tanzi and his disciple Ernesto Lugaro, who were convinced supporters of the neuron theory and fervent admirers of Cajal’s work. Of the two, Tanzi is probably better known in the neuroscien ...
... tended to side with their countryman. Notable exceptions were represented by the two neuropsychiatrists Eugenio Tanzi and his disciple Ernesto Lugaro, who were convinced supporters of the neuron theory and fervent admirers of Cajal’s work. Of the two, Tanzi is probably better known in the neuroscien ...
Memory formation: from network structure to neural dynamics
... detailed knowledge of the connectivity would be sufficient to understand brain function, as it significantly evolves on time scales ranging from tens of milliseconds to years, through processes such as constant rewiring (Song & Abbott 2001) (i.e. creation, annihilation and modulation of synapses), neu ...
... detailed knowledge of the connectivity would be sufficient to understand brain function, as it significantly evolves on time scales ranging from tens of milliseconds to years, through processes such as constant rewiring (Song & Abbott 2001) (i.e. creation, annihilation and modulation of synapses), neu ...
Single-trial decoding of intended eye movement goals from lateral
... quantiles (Musallam et al. 2004), but often fewer quantiles were needed to represent all unique spike count values, especially when analyzing neurons with low firing rates and short epochs. The quantile indexes were used as r in Eq. 1. MI was compared against a null distribution obtained by shufflin ...
... quantiles (Musallam et al. 2004), but often fewer quantiles were needed to represent all unique spike count values, especially when analyzing neurons with low firing rates and short epochs. The quantile indexes were used as r in Eq. 1. MI was compared against a null distribution obtained by shufflin ...
NEURONS AS BIOANTENNAS
... Although it was not possible to quantify the exact number of photons that hit the MEAs, the impossibility for the human eye to perceive them implies that their number was less than 10 units. The reactivity of neurons to very weak light pulses could be due to the presence of microtubules in their ce ...
... Although it was not possible to quantify the exact number of photons that hit the MEAs, the impossibility for the human eye to perceive them implies that their number was less than 10 units. The reactivity of neurons to very weak light pulses could be due to the presence of microtubules in their ce ...