• Study Resource
  • Explore
    • 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
View/Open - eDiss - Georg-August
View/Open - eDiss - Georg-August

... brain neuron was found discriminating between behaviorally attractive and non-attractive stimuli. Using such multielectrodes, it was also possible to induce singing responses by electrically stimulating different auditory neuropiles in the brain of grasshoppers. ...
Time course of post-traumatic mitochondrial oxidative damage and
Time course of post-traumatic mitochondrial oxidative damage and

... Most convincing with regard to the importance of mitochondrial failure in secondary brain injury, pharmacological agents that target mitochondria have been shown to be neuroprotective. Administration of cyclosporine A (CsA) after experimental TBI significantly reduces mitochondrial dysfunction (Sull ...
Brain reorganization in anticipation of predictable words
Brain reorganization in anticipation of predictable words

... perception have been based entirely on differences between responses to more versus less predictable words once they have been presented. Thus, the general mechanisms supporting prediction have not been observed. And, though it has long been hypothesized that speech production processes are importan ...
4 Aromatic Amino Acids in the Brain - Wurtman Lab
4 Aromatic Amino Acids in the Brain - Wurtman Lab

... chain amino acids, leucine, isoleucine, and valine—across from the brain’s capillaries into its substance through the action of a single transport molecule, LAT1. The kinetic properties of this molecule are such that it is saturated with LNAA at normal concentrations in systemic blood so that the in ...
Neonatal hypoglycemia and its effects on the
Neonatal hypoglycemia and its effects on the

... Resistance to brain injury The neonatal brain differs with adult brains with the following mechanisms providing increased resistance to brain injury: 1. Enhanced cerebral blood flow (CBF) and cerebral uptake of glucose ...
Mirror neuron functioning: an explanation for
Mirror neuron functioning: an explanation for

... Mirror neurons and empathy Empathy plays a big role in our everyday life; being able to identify with someone else‟s feelings, motivations and thoughts is necessary to survive in the social society that we live in. According to Wied, Gispen-de Wied and van Boxtel (2010) the construct of empathy can ...
Biomechanical and neurophysiological mechanisms related to
Biomechanical and neurophysiological mechanisms related to

... tension variation, but only a combination of afferent inputs can provide the necessary information to control body equilibrium (Dietz, 1996). The role of proprioceptive information from ankle muscles has been highlighted in various studies (Fitzpatrick et al., 1994; Fitzpatrick et al., 1992a; Gatev ...
Mirror Neurons: Findings and Functions
Mirror Neurons: Findings and Functions

... indirectly neuronal activity in very specific areas. Of course, findings from fMRI and EEG should be interpreted with caution, since there is no direct evidence that the measured activity really stems from the exact same type of MNs as the ones identified in monkeys with single cell recordings. We c ...
kbook or W NEUROLOGICAL DISORDERS
kbook or W NEUROLOGICAL DISORDERS

... Can we use what we know to control someone else’s brain? How likely is it that once we know exactly how the brain functions that we will be able to control another person’s brain? It sounds like science fiction, but we can actually do it right now, even with the limited knowledge we have. Transcrani ...
ANS: c, p. 42, F, LO=2.1, (1)
ANS: c, p. 42, F, LO=2.1, (1)

... 3. The two main divisions of the nervous system are the ________ and ________. a) brain; spinal cord b) autonomic; somatic nervous systems Incorrect. The autonomic and somatic nervous systems are divisions of the peripheral nervous system. c) peripheral nervous system; central nervous system Correct ...
Applications of TMS to Therapy in Psychiatry
Applications of TMS to Therapy in Psychiatry

... coil-tilt sham conditions are likely to be unblinded because active and sham TMS do not feel the same. In our work using a crossover design with a coil-tilt sham, patients could readily discriminate between active and sham TMS (Boylan et al., 2001). Although coil-tilt shams may be of some utility in ...
full text - TReAD Lab
full text - TReAD Lab

... external pallidal segment (globus pallidus in rodents) and entopeduncular nucleus [2, 21– 23]. In primates (but not rodents), the dendritic field of an individual STN neuron occupies only a small portion of the nucleus, which may help compartmentalize the topographic inputs and outputs [24, 25]. Des ...
Layer IV of the primary somatosensory cortex has the highest
Layer IV of the primary somatosensory cortex has the highest

... recording channels is shown in Fig. 3a. D2 was maximal in recording channel 5. The correlation dimension D2 quantified the geometrical complexity in the phase portrait. The topological patterns of the delay phase diagrams measured from channels representing the different cortical layers differed amo ...
BRAIN - ESPN.com
BRAIN - ESPN.com

... Repetitive mild traumatic brain injury can trigger the development of chronic traumatic encephalopathy (CTE), a progressive neurodegeneration characterized by the widespread deposition of hyperphosphorylated tau (p-tau) as neurofibrillary tangles (Corsellis and Brierley, 1959; Corsellis et al., 1973 ...
PET Imaging of Differential Cortical Activation to
PET Imaging of Differential Cortical Activation to

... which the experimenter observed and used to score the number of correct responses during each active task condition. Subjects were debriefed after the imaging session to discuss relative task difficulty and their subjective impressions of the perceived stimuli. Speech stimuli consisted of lists of i ...
ANS: c, p. 42, F, LO=2.1, (1)
ANS: c, p. 42, F, LO=2.1, (1)

... 3. The two main divisions of the nervous system are the ________ and ________. a) brain; spinal cord b) autonomic; somatic nervous systems Incorrect. The autonomic and somatic nervous systems are divisions of the peripheral nervous system. c) peripheral nervous system; central nervous system Correct ...
J Comp Neurol 2000 Lavenex - University of California, Berkeley
J Comp Neurol 2000 Lavenex - University of California, Berkeley

... the males’ space use increases during the breeding season, but their reliance on spatial memory to locate receptive females has yet to be demonstrated. Caching activity and gray squirrels’ dependence on food caches also varies seasonally (Gurnell, 1987; Koprowski, 1994; Thompson and Thompson, 1980; ...
Development of GAP-43 mRNA in the macaque cerebral cortex
Development of GAP-43 mRNA in the macaque cerebral cortex

... pathfinding during axonal elongation. Together, these findings suggest that GAP-43 is instrumental in axonal elongation. This study is the first detailed demonstration of the developmental change in the amount of GAP-43 mRNA in the cerebral cortex of the primate. Addition of these findings to the mo ...
Plasticity during stroke recovery: from synapse to behaviour
Plasticity during stroke recovery: from synapse to behaviour

... infarct-related diffusion signals have yet to be found43. In vivo two-photon imaging indicates that dendrites in the penumbra are damaged by stroke but can in part recover their structure during reperfusion (the restoration of blood flow)44,45. However, neuronal survival in the penumbra is a time-li ...
Ciccarelli 2: The Biological Perspective
Ciccarelli 2: The Biological Perspective

... X-rays of the brain • Magnetic resonance imaging (MRI): brainimaging method using radio waves and magnetic fields of the body to produce detailed images of the brain ...
Neuronal activity in human primary visual cortex correlates with
Neuronal activity in human primary visual cortex correlates with

... When dissimilar images are shown to the two eyes, one experiences binocular rivalry: one eye’s view dominates for several seconds, only to be replaced in conscious awareness by the other eye’s view. What makes rivalry remarkable is the dissociation between a constant physical stimulation and fluctua ...
connect_review_20150316 - Royal Holloway, University of London
connect_review_20150316 - Royal Holloway, University of London

... and meaningful objects is achieved. High-level vision is associated with anatomically-focal, functionally-defined brain areas in human occipitotemporal cortex, usually localized using functional magnetic resonance imaging (fMRI). These “category-sensitive” areas are typically inferred to be speciali ...
Spontaneous and Stimulus-Evoked Intrinsic Optical Signals in
Spontaneous and Stimulus-Evoked Intrinsic Optical Signals in

... 1986; Ts’o et al. 1990) offers both vastly increased spatial sampling density and the potential to sample cortical responses to a larger stimulus repertoire in a single experiment than is possible with microelectrode mapping, making it a promising alternative approach for studying the physiological ...
Spontaneous and Stimulus-Evoked Intrinsic Optical Signals in
Spontaneous and Stimulus-Evoked Intrinsic Optical Signals in

... 1986; Ts’o et al. 1990) offers both vastly increased spatial sampling density and the potential to sample cortical responses to a larger stimulus repertoire in a single experiment than is possible with microelectrode mapping, making it a promising alternative approach for studying the physiological ...
A quantitative link between face discrimination deficits and neuronal
A quantitative link between face discrimination deficits and neuronal

... across a range of tasks including social–emotional judgments as well as identification and discrimination. However, functional magnetic resonance imaging (fMRI) studies probing the neural bases of these behavioral differences have produced conflicting results: while some studies have reported reduced ...
< 1 ... 11 12 13 14 15 16 17 18 19 ... 280 >

History of neuroimaging

The first neuroimaging technique ever is the so-called ‘human circulation balance’ invented by Angelo Mosso in the 1880s and able to non-invasively measure the redistribution of blood during emotional and intellectual activity.Then, in the early 1900s, a technique called pneumoencephalography was set. This process involved draining the cerebrospinal fluid from around the brain and replacing it with air, altering the relative density of the brain and its surroundings, to cause it to show up better on an x-ray, and it was considered to be incredibly unsafe for patients (Beaumont 8). A form of magnetic resonance imaging (MRI) and computed tomography (CT) were developed in the 1970s and 1980s. The new MRI and CT technologies were considerably less harmful and are explained in greater detail below. Next came SPECT and PET scans, which allowed scientists to map brain function because, unlike MRI and CT, these scans could create more than just static images of the brain's structure. Learning from MRI, PET and SPECT scanning, scientists were able to develop functional MRI (fMRI) with abilities that opened the door to direct observation of cognitive activities.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report