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Dissociation and the Fragmentary Nature of Trauma Memories
Dissociation and the Fragmentary Nature of Trauma Memories

... At least since 1889, when Pierre Janet (1889) first wrote about the relationship between trauma and memory, it has been widely accepted that what is now called declarative, or explicit memory is an active and constructive process. What a person remembe rs depends on existing mental schemata: once an ...
Functional Clustering Drives Encoding Improvement in a
Functional Clustering Drives Encoding Improvement in a

... The vertebrate brain exhibits intricate functional organization at many different spatial scales, from cortical microcolumns dedicated to processing specific receptive field properties, to large domains such as somatotopic maps. It is thought that this organization of neurons according to shared fun ...
00800001a2_9.pdf
00800001a2_9.pdf

... 1690 Huygens put forward the basis for the theory we use today. In 1801, Thomas Young performed a fundamental experiment for demonstrating interference and the wave nature of light, see Fig. 9.1.26. He used monochromatic light passing a single pinhole first and subsequently traveling to two separated ...
Astrocytes - American College of Neuropsychopharmacology
Astrocytes - American College of Neuropsychopharmacology

... review several basic facts about astrocytes and then selectively survey some of their functions, particularly emphasizing recent findings about metabolic interactions between astrocytes and neurons. We also discuss features of astrocyte function as they relate to synaptic plasticity and emerging con ...
The Neuroscientist
The Neuroscientist

The Emergence of Selective Attention through - laral
The Emergence of Selective Attention through - laral

... target, presented among others, the distracters, by pressing alternative buttons or by verbally reporting the observed items. Usually in these experiments the target is defined on the basis of its features, such as the colour or the shape. Subjects’ response is very fast and accurate when the target ...
5655.full - Journal of Neuroscience
5655.full - Journal of Neuroscience

... and two depicted female actors. After the stimulus presentation, participants were asked to rate the perceived emotion intensity displayed, on a scale of 1 (very weak) to 7 (very strong). For each condition, one video clip with the highest intensity rating was chosen for the experiment; mean intensi ...
Embodied Cognition and Mirror Neurons
Embodied Cognition and Mirror Neurons

... that during a control task requiring subjects to evaluate whether a particular motor property was associated with an object (e.g., HAIR = combed). The authors found a greater signal for the color knowledge task than for the control task in a left fusiform area demonstrated to be more active during c ...
08_NervousSystem
08_NervousSystem

... Neural Communication Key Note A synaptic terminal releases a neurotransmitter that binds to the postsynaptic cell membrane. The result is a brief, local change in the permeability of the postsynaptic cell. Many drugs affect the nervous system by stimulating ...
Fundamentals of the Nervous System, Part 2
Fundamentals of the Nervous System, Part 2

... Inhibitory Synapses and IPSPs • Neurotransmitter binds to and opens channels for K+ or Cl– • Causes a hyperpolarization (the inner surface of membrane becomes more negative) • Reduces the postsynaptic neuron’s ability to produce an action potential ...
Berridge, K.C.Brain reward systems for food incentives and
Berridge, K.C.Brain reward systems for food incentives and

... of those compensations might restore normality to brain reward functions. In such cases, the causes of eating disorder might then be found to lie completely outside brain reward functions. Indeed, brain reward functions would persist largely normally, and may even serve as aids to eventually help sp ...
Human Neural Systems for Face Recognition and Social
Human Neural Systems for Face Recognition and Social

... Functional brain imaging allows the noninvasive study of the neural systems that participate in face perception in the intact human brain. Relative to the study of patients with naturally occurring brain lesions, functional brain imaging affords far greater anatomical precision and avoids the confou ...
SPECIAL SECTION FORGETTING DUE TO RETROACTIVE
SPECIAL SECTION FORGETTING DUE TO RETROACTIVE

... ABSTRACT Ebbinghaus’ seminal work suggested that forgetting occurred as a function of time. However, it raised a number of fundamental theoretical issues that still have not been resolved in the literature. Müller and Pilzecker (1900) addressed some of these issues in a remarkable manner but their o ...
Text S1.
Text S1.

... axonal polarization along L1 at 3 DIV but, initially, any of the 4 growing neurites could have differentiated into an axon. The discrepancy between random choice at 1-2 DIV and axonal preference along L1 at 3 DIV corresponds to failures of polarization along curved lines. It is thus possible to calc ...
Emergence of Mirror Neurons in a Model of Gaze Following
Emergence of Mirror Neurons in a Model of Gaze Following

... unexpected finding that the model develops internal premotor representations that share many aspects of so-called mirror neurons. A. Mirror Neurons Mirror neurons are a class of pre-motor neurons originally found in macaque area F5 [14]. Their defining characteristic is that these neurons become act ...
article in press - Neurobiology of Vocal Communication
article in press - Neurobiology of Vocal Communication

... is limited. In other words, electrical brain stimulation can help to delimit the neural vocalization network as a whole; it cannot identify, however, the modal points of the system, that is, the sites at which processing of vocalization takes place. A more specific approach than electrical stimulati ...
Amelioration of Delayed Neuronal Death in the Hippocampus by
Amelioration of Delayed Neuronal Death in the Hippocampus by

... In the Golgi study, morphological changesappearedin dendrites and synaptic spinesas early as 3 hr, even though the cell soma looked entirely normal (Figs. 2, 3). After 1 d, there was progressivedisappearanceof both basal and apical dendrites. By 1 week, the CA1 sector had been replaced by reactive a ...
Connectivity of the human pedunculopontine nucleus region and
Connectivity of the human pedunculopontine nucleus region and

... in nonhuman primates, it is nevertheless important to demonstrate directly the existence of homologous pathways in the human brain. One important connection below the PPN region is from the cerebellum, which passes via the superior cerebellar peduncle (Fig. 1 left). The cerebellar deep nuclei are kn ...
Predicting spike timing of neocortical pyramidal neurons by simple
Predicting spike timing of neocortical pyramidal neurons by simple

... or the retina (Berry et al., 1997). The major source of this variability in spike count seems to be a partially correlated background input from other parts of the cortical network (Gawne and Richmond, 1993; Arieli et al., 1996; Bair et al., 2001; Steriade et al., 2001; Destexhe et al., 2003; De Wee ...
Amygdala-Prefrontal Synchronization Underlies Resistance to
Amygdala-Prefrontal Synchronization Underlies Resistance to

... (E) CR (quantified as breath volume at 0–350 ms post-CS) was similar during acquisition (p > 0.1, interaction, two-way ANOVA) and also in the first trial of extinction (p > 0.1, t test) but was significantly different from the second trial of extinction until the end (p < 0.01, condition main effect ...
Get PDF - IOS Press
Get PDF - IOS Press

... of the molecular mechanism underlying the exercisemediated induction of BDNF, several questions remain. For example, even though peripheral injection of Fndc5 led to increases in BDNF expression in the hippocampus, the cleavage product of Fndc5, irisin, did not. These observations raised the possibi ...
New Insights on Neural Basis of Choice
New Insights on Neural Basis of Choice

... psychologists and neuroscientists, but quite reasonably, economists and marketers are also being aware of the importance of this topic of research. Not surprising, since understanding how humans value goods and how they make choices would improve the effectiveness of marketing strategies. Especially ...
The anatomy, physiology and functions of the
The anatomy, physiology and functions of the

... complex colored stimuli; however, no attempt has been made to rigorously characterize the optimal stimulus for these neurons (but see [18’]). Like responses of neurons in area TE [19**], the visual responses of perirhinal neurons were invariant for changes in size or location [17]. Recently, Gaffan ...
J Darnell, KH2 domain I304N RGG G
J Darnell, KH2 domain I304N RGG G

... (epsp size used to measure synapse formation; EM confirmation as well as visible varicosities; when a different target neuron is co-cultured these varicosities don’t form full synaptic specialization) Presynaptic growth is not affected by Ab; synapse-formation specific effect Sensorin increases MAPK ...
The cognitive cost of event-based prospective memory
The cognitive cost of event-based prospective memory

... & Messer, 2008). For example, Kliegel and Jäger (2007) investigated prospective memory in preschoolers ranging from 2 to 6 years of age. In the ongoing task, children were shown 10 cards of common objects and were asked to name each object, whereas the prospective memory instructions were to place t ...
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Holonomic brain theory

The holonomic brain theory, developed by neuroscientist Karl Pribram initially in collaboration with physicist David Bohm, is a model of human cognition that describes the brain as a holographic storage network. Pribram suggests these processes involve electric oscillations in the brain's fine-fibered dendritic webs, which are different from the more commonly known action potentials involving axons and synapses. These oscillations are waves and create wave interference patterns in which memory is encoded naturally, and the waves may be analyzed by a Fourier transform. Gabor, Pribram and others noted the similarities between these brain processes and the storage of information in a hologram, which can also be analyzed with a Fourier transform. In a hologram, any part of the hologram with sufficient size contains the whole of the stored information. In this theory, a piece of a long-term memory is similarly distributed over a dendritic arbor so that each part of the dendritic network contains all the information stored over the entire network. This model allows for important aspects of human consciousness, including the fast associative memory that allows for connections between different pieces of stored information and the non-locality of memory storage (a specific memory is not stored in a specific location, i.e. a certain neuron).
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