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Related Concept Videos

Echo01:06

Echo

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The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
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Multi-input and Multi-variable systems01:22

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Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
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Chemical reactions often occur in a stepwise fashion involving two or more distinct reactions taking place in a sequence. A balanced equation indicates the reacting species and the product species, but it reveals no details about how the reaction occurs at the molecular level. The reaction mechanism (or reaction path) provides details regarding the precise, step-by-step process by which a reaction occurs. Each of the steps in a reaction mechanism is called an elementary reaction. These...
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Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale  studies have provided new insights into the evolutionary relationship between organisms.
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The rough ER membrane synthesizes, assembles, and embeds transmembrane proteins in diverse topologies. These proteins function as transporters or channels and can remain in the ER membrane or are sent to the Golgi complex, lysosome, and cell membrane.
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Echo Particle Image Velocimetry
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Complex multi-echo fMRI dataset: New strategies in processing of multi-echo data.

Michal Mikl1, Kateřina Ingrová2, Martin Gajdoš2

  • 1CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic. michal.mikl@ceitec.muni.cz.

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A new dataset of multi-echo functional magnetic resonance imaging (fMRI) data is now available. This resource supports the development of advanced processing methods for complex fMRI data.

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Area of Science:

  • Neuroimaging
  • Data Science

Background:

  • Multi-echo functional magnetic resonance imaging (fMRI) presents unique challenges for data processing.
  • Developing advanced algorithms is crucial for extracting meaningful insights from complex fMRI data.

Purpose of the Study:

  • To introduce a novel, publicly accessible dataset for multi-echo fMRI.
  • To facilitate the development and evaluation of advanced processing workflows for complex multi-echo fMRI data.

Main Methods:

  • Collected multi-echo fMRI and electrophysiological recordings from 83 healthy, right-handed adults.
  • Acquired data using two 3T MR scanners.
  • Made the dataset publicly available on OpenNeuro.

Main Results:

  • A comprehensive dataset comprising multi-echo fMRI and electrophysiological recordings is now available.
  • The dataset is suitable for testing and validating new fMRI data processing strategies.

Conclusions:

  • The release of this complex multi-echo fMRI dataset provides a valuable resource for the neuroimaging community.
  • This dataset will aid in advancing the field of multi-echo fMRI data analysis and processing.