lecture 13 - McLoon Lab - University of Minnesota
... The flow of information from the thalamus to cortex is gated by inputs from the brainstem reticular activating system and the cortex via the reticular nucleus of the thalamus. ...
... The flow of information from the thalamus to cortex is gated by inputs from the brainstem reticular activating system and the cortex via the reticular nucleus of the thalamus. ...
Optical recording of electrical activity in intact neuronal networks
... neuroscience is how simple processes in neurons can generate cognitive functions and form complex memories like those experienced by humans and animals. In principle, if one were able to record from all the neurons in a network involved in a given behavior, it would be possible to reconstruct the r ...
... neuroscience is how simple processes in neurons can generate cognitive functions and form complex memories like those experienced by humans and animals. In principle, if one were able to record from all the neurons in a network involved in a given behavior, it would be possible to reconstruct the r ...
Chronic multiunit recordings in behaving animals: advantages and
... The method used to study brain functions depends on the question one likes to answer, given that every method has it advantages and disadvantages. Some methods, like EEG and fMRI have the advantage of being noninvasive. EEG reflects the gradual change in the membrane potential of large populations o ...
... The method used to study brain functions depends on the question one likes to answer, given that every method has it advantages and disadvantages. Some methods, like EEG and fMRI have the advantage of being noninvasive. EEG reflects the gradual change in the membrane potential of large populations o ...
Chapter 2: Psychology As a Science
... Action potentials travel down the axon by jumping from node to node. ...
... Action potentials travel down the axon by jumping from node to node. ...
Chapter 2: The Biological Basis of Behavior
... a. The volume of the music reached the threshold needed to fire her neurons. b. The neurons involved began to fire more quickly than they had before. c. The number of neurons firing increased considerably, bringing the music to her conscious awareness. d. The strength of the neural impulses in each ...
... a. The volume of the music reached the threshold needed to fire her neurons. b. The neurons involved began to fire more quickly than they had before. c. The number of neurons firing increased considerably, bringing the music to her conscious awareness. d. The strength of the neural impulses in each ...
Odorant Category Profile Selectivity of Olfactory Cortex Neurons
... machi Kikai, Tokyo, Japan). Respiration was acids, lactones, and phenols. The eight categories examined in the present study are indicated by the columns with color. Note that continuously monitored by measuring the individual foods show distinct odorant-category profiles. The names of the odorants ...
... machi Kikai, Tokyo, Japan). Respiration was acids, lactones, and phenols. The eight categories examined in the present study are indicated by the columns with color. Note that continuously monitored by measuring the individual foods show distinct odorant-category profiles. The names of the odorants ...
Stimulation Within the Rostral Ventrolateral Medulla Can Evoke
... brain stem-spinal cord preparation. Neurons were identified as SPNs on the basis of their antidromic activation after stimulation of the ipsilateral segmental ventral root and their morphology and location in the intermediolateral cell column and intercalated nucleus. In all SPNs, electrical stimula ...
... brain stem-spinal cord preparation. Neurons were identified as SPNs on the basis of their antidromic activation after stimulation of the ipsilateral segmental ventral root and their morphology and location in the intermediolateral cell column and intercalated nucleus. In all SPNs, electrical stimula ...
short communication - Deep Blue
... ganglion discharge in rhythmic patterns. While this activity can occur spontaneously, presumably in the normal animal it is modulated and controlled by interneuron input from the central nervous system. This paper describes initial experiments documenting such control by recording neural output from ...
... ganglion discharge in rhythmic patterns. While this activity can occur spontaneously, presumably in the normal animal it is modulated and controlled by interneuron input from the central nervous system. This paper describes initial experiments documenting such control by recording neural output from ...
Electrophysiological evidence that noradrenergic neurons of the rat
... inclination were placed on the brain surface 4 mm posterior to the lambda, 0-0.4 mm lateral to the midline. DRN neurons were found 5800-6000 µm below brain surface. Neurons were identified as serotonergic if they met the criteria defined previously by McGinty and Harper (1976), Trulson and Jacobs (1 ...
... inclination were placed on the brain surface 4 mm posterior to the lambda, 0-0.4 mm lateral to the midline. DRN neurons were found 5800-6000 µm below brain surface. Neurons were identified as serotonergic if they met the criteria defined previously by McGinty and Harper (1976), Trulson and Jacobs (1 ...
A Double-labeling Investigation of the Afferent Connectivity to
... Bullier, 1985). The use of dual retrograde tracing techniques has allowed a more precise comparison between the afferents to two cortical areas. In particular, it has been shown in the cat that areas 17, 18, and 19 receive a vast amount of common input from subcortical and cortical structures and th ...
... Bullier, 1985). The use of dual retrograde tracing techniques has allowed a more precise comparison between the afferents to two cortical areas. In particular, it has been shown in the cat that areas 17, 18, and 19 receive a vast amount of common input from subcortical and cortical structures and th ...
disparity detection from stereo
... means that when a neuron fires, the nearby neurons in its local area are more likely to fire. This leads to a smoother representational map. The topographic map can be realized by not only considering a nonzero-responding neuron as a winner, but also its 3 3 neighbors, which are the neurons with the ...
... means that when a neuron fires, the nearby neurons in its local area are more likely to fire. This leads to a smoother representational map. The topographic map can be realized by not only considering a nonzero-responding neuron as a winner, but also its 3 3 neighbors, which are the neurons with the ...
Quantitative morphological changes in neurons from the dorsal
... during aging (Tables 2 and 3). Thus we observed that no significant changes occurred in any parameter from the 3rd to the 24th month except for a slight increase (7.2%, P , 0.05) in the maximum somatic diameter in the 24-month-old rats when compared to the 3-month-olds. However, from the 24th month ...
... during aging (Tables 2 and 3). Thus we observed that no significant changes occurred in any parameter from the 3rd to the 24th month except for a slight increase (7.2%, P , 0.05) in the maximum somatic diameter in the 24-month-old rats when compared to the 3-month-olds. However, from the 24th month ...
Dopamine is one of major neurotransmitters in the brain
... Using immunohistochemistry for this assay is an improvement from the Yue study, which used in situ hybridization sensitive for mRNA not protein expression. Unfortunately, in situ hybridization must be used for EphB1 detection because it will lead to labeling of the cell body as opposed to the axons ...
... Using immunohistochemistry for this assay is an improvement from the Yue study, which used in situ hybridization sensitive for mRNA not protein expression. Unfortunately, in situ hybridization must be used for EphB1 detection because it will lead to labeling of the cell body as opposed to the axons ...
Brain Computer Interface Seminar Report
... Man machine interface has been one of the growing fields of research and development in recent years. Most of the effort has been dedicated to the design of user-friendly or ergonomic systems by means of innovative interfaces such as voice recognition, virtual reality. A direct brain-computer interf ...
... Man machine interface has been one of the growing fields of research and development in recent years. Most of the effort has been dedicated to the design of user-friendly or ergonomic systems by means of innovative interfaces such as voice recognition, virtual reality. A direct brain-computer interf ...
The Stress-Induced Atf3-Gelsolin Cascade Underlies
... 2012; Bateup et al., 2013). On the other hand, TSC results in epilepsy in ⬃90% of patients (Chu-Shore et al., 2010); thus, studies of TSC mouse models may also help clarify the role of seizure activity in the etiology and/or progression of autism. To determine what alterations in mRNA translation oc ...
... 2012; Bateup et al., 2013). On the other hand, TSC results in epilepsy in ⬃90% of patients (Chu-Shore et al., 2010); thus, studies of TSC mouse models may also help clarify the role of seizure activity in the etiology and/or progression of autism. To determine what alterations in mRNA translation oc ...
Fine tuning of vestibular apparatus in terrestrial snail at Earth and
... snail statocyst to tilts in certain direction. Analysis of neural responses to tilts with different directions revealed that single receptor cells can respond to vestibular stimuli in all directions, but is specifically tuned for only one. Motion in this direction evokes strongest ON-responses of th ...
... snail statocyst to tilts in certain direction. Analysis of neural responses to tilts with different directions revealed that single receptor cells can respond to vestibular stimuli in all directions, but is specifically tuned for only one. Motion in this direction evokes strongest ON-responses of th ...
A compensatory subpopulation of motor neurons in a mouse model
... loss and growth occur at individual neuromuscular junctions and whether such opposing events can occur in different branches of the same neuron or, alternatively, whether whole motor units are either compensating or degenerative. Evidence from developmental axon branch removal shows that individual ...
... loss and growth occur at individual neuromuscular junctions and whether such opposing events can occur in different branches of the same neuron or, alternatively, whether whole motor units are either compensating or degenerative. Evidence from developmental axon branch removal shows that individual ...
Neural Control of Eye Movements
... • Latency is the Dme taken between the appearance of a target and the eye movement to the target • Average saccade latency is around 200msec; slightly faster in a monkey • CorDcal and sub-corDcal processing related to visual processing, target selecDon and motor programming contributes to lat ...
... • Latency is the Dme taken between the appearance of a target and the eye movement to the target • Average saccade latency is around 200msec; slightly faster in a monkey • CorDcal and sub-corDcal processing related to visual processing, target selecDon and motor programming contributes to lat ...
Brainstem: neural networks vital for life
... cells at once, complexities arise in both analysis and interpretation that require sophisticated computational programmes (Nuding et al. 2009; Smith et al. 2009). In addition, several new preparations have been devised in which one can make use of these techniques, including slices, isolated brainst ...
... cells at once, complexities arise in both analysis and interpretation that require sophisticated computational programmes (Nuding et al. 2009; Smith et al. 2009). In addition, several new preparations have been devised in which one can make use of these techniques, including slices, isolated brainst ...
Nerve Cells, Neural Circuitry, and Behavior
... formation of networks. Rather each cell makes specific connections—at particular contact points—with certain postsynaptic target cells but not with others. The principles of dynamic polarization and connectional specificity are the basis of the modern connectionist approach to studying the brain. Ra ...
... formation of networks. Rather each cell makes specific connections—at particular contact points—with certain postsynaptic target cells but not with others. The principles of dynamic polarization and connectional specificity are the basis of the modern connectionist approach to studying the brain. Ra ...
Massive Loss of Mid- and Hindbrain Neurons during Embryonic
... The failure of Lc/Lc neonates to feed and the cerebellar phenotype of Lc/1 animals suggested that a possible neuronal deficit in homozygous animals may be responsible for their phenotype. To address this possibility, we undertook an in-depth analysis of the Lc/Lc CNS. P0 neonates were genotyped, fix ...
... The failure of Lc/Lc neonates to feed and the cerebellar phenotype of Lc/1 animals suggested that a possible neuronal deficit in homozygous animals may be responsible for their phenotype. To address this possibility, we undertook an in-depth analysis of the Lc/Lc CNS. P0 neonates were genotyped, fix ...
Top-down influence in early visual processing: a Bayesian perspective
... We first trained monkeys to perform an odd-ball detection task. In this task, the monkey was presented with a stimulus in which one element (odd-ball) is different from the others, as in Fig. 3a, and the monkey was required to make a saccadic eye movement to the oddball to get juice reward. Then we ...
... We first trained monkeys to perform an odd-ball detection task. In this task, the monkey was presented with a stimulus in which one element (odd-ball) is different from the others, as in Fig. 3a, and the monkey was required to make a saccadic eye movement to the oddball to get juice reward. Then we ...
firing pattern modulation by oscillatory input in
... Abstract/Neocortical neurons in vivo receive periodic stimuli due to feedforward input from the periphery as well as local cellular and circuit properties. In order to understand how neurons process such information, the responses of neurons to periodic sine wave current stimuli of varying frequenci ...
... Abstract/Neocortical neurons in vivo receive periodic stimuli due to feedforward input from the periphery as well as local cellular and circuit properties. In order to understand how neurons process such information, the responses of neurons to periodic sine wave current stimuli of varying frequenci ...