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Mechanisms of gustatory coding in Spodoptera littoralis
Mechanisms of gustatory coding in Spodoptera littoralis

... antennal gustatory sensilla. Two areas are within the deutocerebrum: the antennal motor and mechanosensory centre (AMMC) and a region situated posteriorly to the antennal lobes. The two other areas are in the tritocerebrum/suboesophageal ganglion complex. As our electrophysiological investigations s ...
Actin in Axons: Stable Scaffolds and Dynamic Filaments
Actin in Axons: Stable Scaffolds and Dynamic Filaments

First-in-first-out item replacement in a model of
First-in-first-out item replacement in a model of

... In the absence of input, the contents of a STM buffer decay gradually, due to noise and a slow-AHP (modeled as a bi-exponential response with Erev = −70 mV, G = 0.01 nS, τrise = τf all = 3000 ms, an alpha function). When a buffer that is filled to capacity receives new input at a rapid pace, so that ...
Functional Heterogeneity in the Bed Nucleus of the Stria Terminalis
Functional Heterogeneity in the Bed Nucleus of the Stria Terminalis

... case of the corticotropin releasing factor (CRF) cells located in the oval nucleus (Sakanaka et al., 1987; Phelix and Paull, 1990), which also express a fast inwardly rectifying K ⫹ conductance (known as Type III cells; Fig. 3C) (Dabrowska et al., 2013a; but see Silberman et al., 2013). It should be ...
Man to Machine, Applications in Electromyography
Man to Machine, Applications in Electromyography

... scientific understanding of the concepts behind EMG (De Luca, 1997), 2) allow interpretation and repetition of previously published results (Hermens, et al., 2000) , and 3) provide standards going forward for generating as well as publishing EMG data (Hermens, et al., 2000). In the following section ...
Chapter 9 The Nervous System
Chapter 9 The Nervous System

... functions of the system as a whole • Identify the major types of cells in the nervous system and discuss the function of each • Identify the anatomical and functional components of a three-neuron reflex arc. Compare and contrast the propagation of a nerve impulse along a nerve fiber and across ...
Chapter 9 The Nervous System
Chapter 9 The Nervous System

... functions of the system as a whole • Identify the major types of cells in the nervous system and discuss the function of each • Identify the anatomical and functional components of a three-neuron reflex arc. Compare and contrast the propagation of a nerve impulse along a nerve fiber and across ...
FULL TEXT PDF - Neuroendocrinology Letters
FULL TEXT PDF - Neuroendocrinology Letters

... attention because such work may be considered as providing proxy data for similar investigations conducted upon long extinct species. Indeed, the fossil record reveals little anatomical difference between those hagfish living 300 million years ago and their modern descendants. Accordingly, the hagfi ...
Biophysics of Extracellular Action Potentials
Biophysics of Extracellular Action Potentials

... I compared constraining a compartmental model to fit the EAP with matching the intracellular action potential (IAP). I find that the IAP method underconstrains the parameters. The distinguishing characteristics of the EAP constrain the parameters and are fairly invariant to electrode position and ce ...
The Olfactory–Limbic System and Multiple Chemical
The Olfactory–Limbic System and Multiple Chemical

... What is known about the olfactory system is that humans and other mammals can detect what seems to be an infinite number of odorants present in the external environment. “It is estimated that humans can sense as many as 10,000 to 100,000 chemicals as having a distinct odor. “ (Buck – Nobel Lecture ...
INFUSION OF NERVE GROWTH FACTOR (NGF) INTO KITTEN
INFUSION OF NERVE GROWTH FACTOR (NGF) INTO KITTEN

... kg/h) dissolved in 5% Ringer's solution with dextrose and were switched to arti¢cial respiration. Following an initial bolus of 15 mg/kg, the dura was retracted, and gallamine was continuously administered at a rate of 1^2 ml/kg/h. The respiratory rate and volume were adjusted to result in an end-ti ...
The cortical column: a structure without a function
The cortical column: a structure without a function

... Beckman Vision Center, 10 Koret Way, University of California, San Francisco, CA 94143-0730, USA This year, the field of neuroscience celebrates the 50th anniversary of Mountcastle’s discovery of the cortical column. In this review, we summarize half a century of research and come to the disappointi ...
1 - Test Bank
1 - Test Bank

... a. insulate the neuron so it can transmit information more efficiently Correct: The myelin sheath protects and insulates the neuron, and helps to speed up the process of neural communication. b. receive messages from outside the neuron and carry them to the cell nucleus c. provide a place for neural ...
RESULTATS Capítol 1 __________________________________________________________________________ 71
RESULTATS Capítol 1 __________________________________________________________________________ 71

... Studies over the past few years point to the selective guidance of axonal growth cones by specific signals as the main mechanism by which neuronal connections are first established between brain areas (Huber et al., 2003; Mueller, 1999), while activitydependent plasticity has been proposed as a mech ...
Pallidal Discharge Related to the Kinematics of Reaching
Pallidal Discharge Related to the Kinematics of Reaching

... discharge of neurons in either GPe or GPi are predicted to have opposing effects on motor centers, it also is important to examine how these opposing changes in discharge are related to parameters of movement. To date, the only consistent difference that has been found, in both GPe and GPi, is that ...
- Wiley Online Library
- Wiley Online Library

... of each projection. Abbreviations: 5-HT, serotonin; Exp, active (abdominal) expiration; fR , breathing frequency; Insp, inspiration; KF, Kölliker–Fuse nucleus; lPBN, lateral parabrachial nuclei; LRt, lateral reticular nucleus; NA, nucleus ambiguus; NTS, nucleus of the solitary tract; OAE, oscillato ...
A role for sleep in brain plasticity
A role for sleep in brain plasticity

... stimulus for the induction of plasticity. The authors wanted to determine whether the effects of MD would be enhanced by a period of sleep occurring immediately thereafter. Both optical imaging of intrinsic cortical signals and extra-cellular unit recording showed that sleep nearly doubled the effec ...
PDF - Iranian Journal of Basic Medical Sciences
PDF - Iranian Journal of Basic Medical Sciences

KCNQ/M Channels Control Spike Afterdepolarization and Burst
KCNQ/M Channels Control Spike Afterdepolarization and Burst

... Department of Physiology, Institute of Medical Sciences, Hebrew University–Hadassah Faculty of Medicine, Jerusalem 91120, Israel ...
Prefrontal Cortex Activity during Flexible Categorization
Prefrontal Cortex Activity during Flexible Categorization

Examination of Thyrotropin-Releasing Hormone (TRH)
Examination of Thyrotropin-Releasing Hormone (TRH)

... present in the anterior pituitary, intestine, placenta and thyroid gland [16, 20]. In rats, D1 is also present in the cerebral cortex with relatively low activity, but in humans, D1 is absent from the CNS [21, 22]. The main source of extra-thyroidal T3 is type 2 deiodinase (D2) that converts T4 to T ...
Limbic systems for emotion and for memory, but no
Limbic systems for emotion and for memory, but no

... grand lobe limbique’ was mainly an olfactory structure common to all mammalian brains, although he argued that its functions were not limited to olfaction. Limbic structures are frequently taken to include cortical structures such as the hippocampus and cingulate cortex, and structures to which they ...
Novelty exploration training tasks - Repositório da Universidade de
Novelty exploration training tasks - Repositório da Universidade de

... autonomic network, which plays a crucial role in essential hypertension pathophysiology. Physiologically, RVLM has a key role in peripheral sympathetic tone generation. Its neurons monosynaptically project to the sympathetic preganglionic ones in the intermediolateral column of the spinal cord, cond ...
Metabolic signals in sleep regulation: recent insights The Harvard
Metabolic signals in sleep regulation: recent insights The Harvard

... and increased REMS during the active period, mimicking narcolepsy in humans. Human narcoleptic subjects contain low levels of orexin in cerebrospinal fluid49,50 and exhibit loss of orexin neurons.39,51,52 In rats, lesioning orexin neurons also leads to a narcoleptic phenotype.53 Further evidence for ...


... Departament de Bioquímica i Biologia Molecular. Thanks for facilitating those administrative tasks which were always ambiguous for me. During these years I have been supported by a UAB predoctoral fellowship without which this thesis would not have been possible. Throughout the entire process of my ...
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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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