• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Chapter 20
Chapter 20

... a. its cell body is in the brain or spinal cord b. its myelinated axon exits the CNS as part of a cranial or spinal nerve, separates from the nerve, and extends to an autonomic ganglion where it synapses with a postganglionic neuron ii. The postganglionic neuron is the second of the two autonomic mo ...
Multilayer perceptrons
Multilayer perceptrons

... If a problem is not linearly separable, then it is impossible to divide the pattern space into two regions A network of neurons is needed Until fairly recently, it was not known how to train a multi-layered network ...
Temperature - Division Of Animal Sciences
Temperature - Division Of Animal Sciences

... Horses, Men and Motors," which actually had appeared in print in 1937.^ Dr. Brody was quite aware that physiologists are usually about 10 years behind in their reading and that the material would appear new to us, even in 1948. In my case, he was entirely correct! I think it might be instructive to ...
Synaptic Transmission 1
Synaptic Transmission 1

... – At many synapses, N is not large, and so the Poisson would not apply, strictly, even if [Ca2+]o were reduced. – Note, however, that in practice, it does work, as long as p is small. ...
Marginal chimera state at cross-frequency locking of pulse
Marginal chimera state at cross-frequency locking of pulse

... (see Ref. [5] for its experimental observation). Remarkably, partial synchronization can be explained within a simplest setup of one-dimensional oscillators, described either by their phase dynamics [4] or as integrate-and-fire units [3]. Quite recently, chimera states in populations of coupled osci ...
Role of the trigeminal mesencephalic nucleus in rat whisker pad
Role of the trigeminal mesencephalic nucleus in rat whisker pad

... masseter muscle on the same side of deeply anesthetized rats to label the respective projecting sensory neurons. This double-labeling technique was used to assess the co-innervation of both structures by the trigeminal mesencephalic nucleus (TMnu). In a separate group of anesthetized animals, the sp ...
HECTtype E3 ubiquitin ligases in nerve cell development and
HECTtype E3 ubiquitin ligases in nerve cell development and

... input and output sites. Neuronal polarization begins when the multipolar newborn neurons attach to radial glial cell processes and acquire bipolar cell shapes. The neuronal polarization includes asymmetrical distribution of polarity proteins, cytoskeletal components, and cellular organelles into the ...
Mirror neuron functioning: an explanation for
Mirror neuron functioning: an explanation for

... MNS (mirror neuron system) in human beings, for example with the use of functional magnetic resonance imaging. Iacoboni and colleagues (1999) performed an fMRI on subjects while they were watching someone else move their fingers and while performing finger movements of their own. During this action ...
Table of Contents
Table of Contents

... Chapter 3 ...
Voluntary Nicotine Consumption Triggers Potentiation of Cortical Excitatory Drives to Midbrain
Voluntary Nicotine Consumption Triggers Potentiation of Cortical Excitatory Drives to Midbrain

... 8 rats, 72 neurons) and SAL (n ⫽ 14 rats, 89 neurons) rats were Data analysis. Analyses of nicotine self-administration were perperformed 24 h after the last access to the operant chambers. formed using ANOVA. Data were subjected to a two-way ANOVA, with Evolution of the operant responses in the act ...
PRINCIPLES OF NEUROBIOLOGY CHAPTER 6
PRINCIPLES OF NEUROBIOLOGY CHAPTER 6

... errors could be especially problematic for ORNs, which have a large number of near-zero responses and for which small errors in average spike rate estimates could produce large changes in rank order. To quantify the extent to which rank order differs between an ORN class and its corresponding PN cla ...
Spiking neural networks for vision tasks
Spiking neural networks for vision tasks

... generation applies to the deployed neuron model which uses spike formed impulses instead of a constant time invariant value as output. Unlike conventional neurons, spiking neurons do not operate on a discrete time basis but will fire a spike whenever their membrane potential crosses the firing thres ...
The Molecular and Neuroanatomical Basis for Estrogen Effects in
The Molecular and Neuroanatomical Basis for Estrogen Effects in

... indicating that estrogens target the brain of experimental animals (for summary, see Ref. 1). However, most of the animal studies have focused on estrogen actions on the hypothalamus affecting ovulation and reproductive behavior, and only recently has it become apparent that estrogens exert many act ...
Fast Propagation of Firing Rates through Layered Networks of Noisy
Fast Propagation of Firing Rates through Layered Networks of Noisy

... that neuronal firing rates are typically highly variable has been used as an argument that only the mean firing rate encodes information. A potential problem with rate coding is that given typical firing rates (10 –100 Hz) and the irregularity of firing (Poisson-like statistics), averaging times of ...
text - Systems Neuroscience Course, MEDS 371, Univ. Conn. Health
text - Systems Neuroscience Course, MEDS 371, Univ. Conn. Health

... Energy Metabolism: The hypotahalmus regulates energy metabolism by monitoring blood glucose levels and regulating feeding behavior, digestive functions, metabolic rate and body temperature. For example … A. Cellular metabolism throughout the body tissues is regulated via thyroid hormones. Neurons i ...
Receptive Fields of Second-order Neurons in the Olfactory Bulb of
Receptive Fields of Second-order Neurons in the Olfactory Bulb of

... ABSTRACT Electrical stimulation of nerve fibers emerging from different positions of the olfactory epithelium was used to determine the receptive fields for 52 olfactory bulb neurons in the hamster. The responses of olfactory bulb neurons were recorded extracellularly with metal-filled micropipettes ...
The role of ventral premotor cortex in action execution and action
The role of ventral premotor cortex in action execution and action

... 2001). The vPMC was also found to be of importance for motor tasks with high motor execution demands (Winstein et al., 1997). Ventral premotor cortex seems to play a crucial role in motor imagery as repeatedly shown in neuroimaging studies (Decety et al., 1994; Stephan et al., 1995; Binkofski et al. ...
Swim Initiation Neurons in Tritonia diomedea1
Swim Initiation Neurons in Tritonia diomedea1

... other experiments utilized an isolated brain preparation. For both preparations, the brain was perfused at 28C while pinning the brain out and dissecting away the thin sheath enclosing the dorsal, cerebral and pleural ganglia. Suction electrodes were then placed on left and right pedal nerve 3, and ...
Electroencephalogram based Brain
Electroencephalogram based Brain

... EEG based BCI paradigm 3 – P300 VEP P300 visual evoked potential (VEP) is another type of EEG that is evoked around 300-600 ms after visual stimulus onset (hence the term P300) and is maximal is midline locations (such as Fz, Cz and Pz). The potential is limited to 8 Hz and hence a low pass filter i ...
free - Piero Scaruffi
free - Piero Scaruffi

... inner one is the limbic system, comprising amygdala, thalamus, hypothalamus and hippocampus; the outer one is the neocortex. • The brainstem is brain's connection with the "autonomic" nervous system ...
spinal cord - Zanichelli
spinal cord - Zanichelli

... Neurons integrate (sum) signals. 1. Inhibitory Signals: the threshold is not reached and the neuron is inactive 2. Excitatory signals: the neuron is activated 3. The Integrated signal is below the threshold and the impulse is not transmitted ...
Serotonin 1B Receptor Modulates Frequency Response Curves and
Serotonin 1B Receptor Modulates Frequency Response Curves and

... Neuromodulatory signals such as serotonin are broadly released in the brain in response to changes in internal state (Trulson and Jacobs 1979, 1981) but transform the response properties of sensory neurons in highly specific ways (Hurley et al. 2004; Mooney et al. 1996; Xiang and Prince 2003). This ...
The Human Mirror Neuron System and Embodied
The Human Mirror Neuron System and Embodied

... visual control (Gallese et al., 1996). These studies revealed two distinct classes of neurons: canonical neurons and mirror neurons. Canonical neurons are primarily found along the posterior bank of the arcuate sulcus (F5ab) and are associated with the execution of motor actions. They also respond w ...
Corollary Discharge Inhibition and Preservation of Temporal
Corollary Discharge Inhibition and Preservation of Temporal

... Field potentials associated with the EOD motor command and with electrosensory stimuli served to locate the NELL for subsequent intracellular recording. Field potentials were recorded with 3 M NaCl-filled micropipettes that had resistances of 2-5 MO. The indifferent electrode was a chlorided, silver ...
Report - Ben Hayden
Report - Ben Hayden

... CGp Neurons Signal Reward Outcomes and Maintain This Information across Trials In a prior study, we showed that neuronal activity in CGp tracks both risk level and behavioral preference for the risky option; the current report complements these previous findings by probing how neuronal activity in C ...
< 1 ... 47 48 49 50 51 52 53 54 55 ... 308 >

Single-unit recording

In neuroscience, single-unit recordings provide a method of measuring the electro-physiological responses of single neurons using a microelectrode system. When a neuron generates an action potential, the signal propagates down the neuron as a current which flows in and out of the cell through excitable membrane regions in the soma and axon. A microelectrode is inserted into the brain, where it can record the rate of change in voltage with respect to time. These microelectrodes must be fine-tipped, high-impedance conductors; they are primarily glass micro-pipettes or metal microelectrodes made of platinum or tungsten. Microelectrodes can be carefully placed within (or close to) the cell membrane, allowing the ability to record intracellularly or extracellularly.Single-unit recordings are widely used in cognitive science, where it permits the analysis of human cognition and cortical mapping. This information can then be applied to brain machine interface (BMI) technologies for brain control of external devices.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report