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Fast and slow neurons in the nucleus of the
Fast and slow neurons in the nucleus of the

... sweeps. Contour plots of the mean ®ring rate in the spatiotemporal domain were made using Sigma Plot. The maximum in the contour plot was used to assign the preferred SF/ TF combination for each neuron. At the end of the experiments, the birds were given an overdose of sodium pentobarbitol (100 mg/k ...
Predictions, perception, and a sense of self
Predictions, perception, and a sense of self

... sampled. For example, if we consider the control of our eye movements during visual searches, this visual “palpation” has natural time constants that are relatively easy to simulate using predictive coding. Typically, we make saccadic movements every 250 ms,6 during which time the evidence for hypot ...
From hand actions to speech: evidence and speculations
From hand actions to speech: evidence and speculations

... Email: [email protected]  ...
Cell type-specific pharmacology of NMDA receptors using masked
Cell type-specific pharmacology of NMDA receptors using masked

... drug that blocks NMDA receptors to observe what happened in cocaine-exposed brain cells with, or without, working NMDA receptors. As expected, the experiments showed that cocaine didn’t strengthen brain signals in cells without working NMDA receptors. Specifically, the experiments showed that NMDA r ...
Cerebellum_seminar
Cerebellum_seminar

... more than half of all its neurons.  arranged in a highly regular manner as repeating units but with input and outputs from different parts similar computational operations but on different inputs.  the cerebellum is provided with extensive information (40 times more axons project into the cerebell ...
Level 3 Pharmaceutical Science
Level 3 Pharmaceutical Science

... The medulla (located in the brain stem) is concerned with involuntary processes such as heart rate, temperature and breathing rate. It is therefore linked to the autonomic nervous system. The cerebellum controls posture, balance and co-ordination. The mid brain deals with eye reflexes. The cerebrum ...
Mechanisms of response homeostasis during retinocollicular map
Mechanisms of response homeostasis during retinocollicular map

... in the activity-dependent development of neural circuits. However, these mechanisms are inherently unstable and would lead to the runaway excitation or depression of circuits if left unchecked. In the last decade, a number of elegant studies have demonstrated that homeostatic plasticity mechanisms e ...
Molecular and Cellular aspects of a Sacred Disease `Epilepsy`
Molecular and Cellular aspects of a Sacred Disease `Epilepsy`

... Epilepsy is a most prevalent neurological disease found on earth that is characterized by frequent onset of seizures. This disease was considered sacred in the past because of its unusual signs and symptoms shown by a patient. Epilepsy is basically an electrical event of brain with sudden onset and ...
P312Ch11_Auditory III (Coding Frequency And Intensity
P312Ch11_Auditory III (Coding Frequency And Intensity

... neurons that fired each time the membrane moved. Main problem with this theory: We can perceive sounds whose frequencies are as high as 20,000 Hz, but neurons cannot respond at rates higher than 1000 action potentials per second, if that high. So the theory, unaltered, cannot account for our ability ...
alzheimer-like changes of protein kinase b and glycogen synthase
alzheimer-like changes of protein kinase b and glycogen synthase

Biological Psychology: Bridging the Levels of Analysis
Biological Psychology: Bridging the Levels of Analysis

... Neurons and their dendrites (shown stained pink) with their nuclei (shown stained purple). ...
Neuronal Activity and Ion Homeostasis in the Hypoxic Brain
Neuronal Activity and Ion Homeostasis in the Hypoxic Brain

... Chapter 6 describes the electrical activity of a large number of synaptically coupled neurons. It was studied how the single cell dynamics determine the emergent macroscopic activity. To allow the investigation of the effects of changes in ion concentrations, a neural mass model that is fully based ...
Nociceptive sensation
Nociceptive sensation

... Special place engaged by operations on the brain. The main purpose of such operations is breaking connections between the brain cortex and thalamus, because it determined the brain cortex to bi responsible for subjective pain sensation formation. To such operations belongs stereotaxic operation on t ...
Lecture 27 Powerpoint File
Lecture 27 Powerpoint File

... • Many cells are “visuo-dominant” or “visuomotor-dominant”: they fire when monkey sees a graspable object or a stimulus that could be interacted with ...
Introduction to Surgical Therapies
Introduction to Surgical Therapies

... During the initial stages of PD, medications effectively control PD symptoms in the vast majority of patients. However, with progression of the disease, individuals may need to use increasing doses of medication taken more frequently to achieve symptom control. With time, people with PD may notice t ...
Neuroscience, Fifth Edition
Neuroscience, Fifth Edition

... BOX 18B HUNTINGTON’S DISEASE 411 BOX 18C DEEP BRAIN STIMULATION 412 BOX 18D BASAL GANGLIA LOOPS AND NON-MOTOR ...
Introduction to fMRI - Center for Functional and Molecular Imaging
Introduction to fMRI - Center for Functional and Molecular Imaging

... Projector to show visual stimuli Response devices such as button box to record subject’s response Headphones for auditory stimuli (and hearing protection) ...
Document
Document

... used to select one message for further processing and all others are lost (Broadbent, 1958) higher processing stage ...
Nociceptive sensation. Anti
Nociceptive sensation. Anti

... Special place engaged by operations on the brain. The main purpose of such operations is breaking connections between the brain cortex and thalamus, because it determined the brain cortex to bi responsible for subjective pain sensation formation. To such operations belongs stereotaxic operation on t ...
Nociceptive-antinociceptive system
Nociceptive-antinociceptive system

... Special place engaged by operations on the brain. The main purpose of such operations is breaking connections between the brain cortex and thalamus, because it determined the brain cortex to bi responsible for subjective pain sensation formation. To such operations belongs stereotaxic operation on t ...
Preview Sample 2
Preview Sample 2

... • The myelin sheath, the fatty white coating of the axon, prevents impulses from being misdirected. 2.3 Neurotransmitters: The Neuron's Messengers: What are neurotransmitters, and what do they contribute to nervous system functioning? • Neurotransmitters are chemicals released into the synaptic clef ...
Controlling the Elements: An Optogenetic Approach to
Controlling the Elements: An Optogenetic Approach to

... here). This approach has not been demonstrated for PV interneurons, however, and can be nonoptimal for targeting specific cell populations. This is because most viruses have limited packaging capacity, making it necessary to use truncated versions of tissue specific promoters, which can reduce cell- ...
Nucleus Basalis and Thalamic Control of Neocortical Activity in the
Nucleus Basalis and Thalamic Control of Neocortical Activity in the

... Animals and surgery. The subjects of these experiments were 24 female Fischer 344 (2-l 5 month) and 42 female Sprague-Dawley (3-10 month) rats. Surgery was performed under deep anesthesia induced by a mixture (4 ml/kg) of ketamine (25 mg/ml), rompun (1.3 mg/ml), and acepromazine (0.25 m&ml). The rat ...
THE SCIENCE OF LOVE: IS THERE SUCH A THING?
THE SCIENCE OF LOVE: IS THERE SUCH A THING?

... Would help to find a way of predicting response to treatment. Depressed patients with higher PET activity in the anterior insula did better with drugs (12 weeks escitalopram); those with low AI activity responded to CBT but not drugs (McGrath et al, 2013). Less intrusive ways to personalise ...
PDF
PDF

... mu suppression to both self-directed and observed movement, high-functioning ASD individuals fail to exhibit mu suppression to observed movement (Oberman et al., 2005). Most NFT approaches use a simple visual stimulus or game to train individuals to increase/decrease a particular bandwidth of the EE ...
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Metastability in the brain

In the field of computational neuroscience, the theory of metastability refers to the human brain’s ability to integrate several functional parts and to produce neural oscillations in a cooperative and coordinated manner, providing the basis for conscious activity.Metastability, a state in which signals (such as oscillatory waves) fall outside their natural equilibrium state but persist for an extended period of time, is a principle that describes the brain’s ability to make sense out of seemingly random environmental cues. In the past 25 years, interest in metastability and the underlying framework of nonlinear dynamics has been fueled by advancements in the methods by which computers model brain activity.
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