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323 terms
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transducer
المحول

A device that converts brain signals into electrical signals (for recording) or vice versa (for stimulation).

System components
Transfer Learning
التعلّم بالنقل

Reusing models pre-trained on one user or dataset to enhance decoding performance in another, reducing calibration time.

AI and Machine Learning
Transfer Learning
التعلّم بالنقل

A machine learning technique where a model trained on one user or session is adapted for use on a new user or session. This helps to significantly reduce calibration time.

AI and Machine Learning
transient visual evoked potential
الجهد المُثار بصرياً العابر

A visual evoked potential that occurs at a relatively low rate, where the neural response appears as a discrete pulse for each individual stimulus.

Protocols and paradigms
Transparency
الشفافية

Making information clear and understandable for all involved parties.

Ethical Governance
trial
المحاولة/التجربة

A specific instance of a procedure or task performed by a subject during a session

Experimental designs and setups
trial session
جلسة المحاولات/التجارب

A specific period during which a subject engages in study activities

Experimental designs and setups
Ultrasound Neuromodulation
التعديل العصبي بالموجات فوق الصوتية

Emerging technique using focused ultrasound waves to modulate brain activity non-invasively with high spatial precision.

Modalities
unidirectional brain-computer interface
الترابط الدماغي الحاسوبي أحادي الاتجاه

A BCI system that allows information to flow in only one direction; either from the brain to the device (for control) or from the device to the brain (for stimulation), without an immediate feedback loop within the same system.

Basic concepts and types
Unsupervised Learning
التعلّم غير المُوجَّه

Discovering hidden patterns or groupings in unlabeled brain activity data.

AI and Machine Learning
user
المستخدم

A person that is using a brain-computer interface (BCI) product or service.

Experimental designs and setups
User Autonomy
استقلالية المستخدم

Respecting the freedom of participants to make their own decisions regarding participation and data usage.

Ethical Governance
Vibrotactile Feedback
التغذية الراجعة الاهتزازية اللمسية

Subtype of tactile feedback using vibration actuators to convey information about system state or user actions.

Feedback and stimulations
virtual reality (VR)
الواقع الافتراضي

A reality-based interactive technology in which the user is immersed in a completely simulated digital environment.

Applications
visual evoked potential (VEP)
الجهد المُثار بصرياً

An evoked potential in response to visual stimuli. They are specific patterns of electrical activity measured typically over the occipital region of the scalp, representing the brain's processing of the visual stimulus.

Protocols and paradigms
Visual Feedback
التغذية الراجعة البصرية

Information delivered to the user through visual channels, such as screens or LEDs, indicating system status or outcomes.

Feedback and stimulations
Voltage-Sensitive Dye Imaging (VSDI)
التصوير بالأصباغ الحساسة للجهد الكهربائي

Optical imaging recording membrane potential changes across cortical surfaces in real time.

Modalities
vulnerability
الثغرة الأمنية

Weakness of an asset or control that can be exploited by one or more threats.

Applications
Washout Period
فترة الغسل (أو فترة الإزالة بين الجلسات لتجنّب التداخل)

Time interval between successive sessions or conditions to minimize carryover effects.

Experimental designs and setups
Wavelet Transform
التحويل بالمويجات

A time–frequency method enabling localized analysis of nonstationary brain signals by decomposing them at multiple scales.

Signal processing and analysis