Probe Trial
Probe Trial - Related Videos
10:28
Probe-based Real-time PCR Approaches for Quantitative Measurement of microRNAs
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Cited by 33 •
2015
Circulating microRNAs have recently emerged as promising and novel biomarkers for various cancers and other diseases. The goal of this article is to discuss three different probe-based real-time PCR platforms and methods that are available to quantify and determine the abundance of circulating microRNAs.
01:28
The Trial Balance
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2025
A trial balance is a fundamental financial statement that provides a snapshot of a company's accounts and their balances at a specific point in time. It serves as an essential tool for verifying the accuracy of financial records by ensuring that the total debits equal the total credits. Typically prepared at the end of an accounting period, a trial balance lists all ledger accounts in the order they appear, with debit balances in the left column and credit balances in the right column. The two...
01:16
Clinical Trials
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2023
Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias. There are four phases in a clinical trial. A phase one...
05:38
Custom-made Microdialysis Probe Design
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Cited by 9 •
2015
Microdialysis is a commonly used technique in neuroscience research. Therefore commercial probes are in great demand.In this work a probe assembly is explained in detail to build a reliable, concentric, custom-made microdialysis probe for less than $10.
01:12
Trial and Error and Algorithm
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2025
A problem-solving strategy is a plan of action used to find a solution. Different strategies have distinct action plans. Trial and error involves trying different solutions until one works. For instance, to fix a broken printer, you might check ink levels, ensure the paper tray isn't jammed, and verify the printer's connection to your laptop. This method can be time-consuming but is commonly used. Thomas Edison, for example, used trial and error to find a suitable filament for the light bulb,...
FAQs
Removing the expected reward tests whether the animal can express the learned response without immediate reinforcement. Successful performance therefore provides evidence that behavior depends on retained information about the target or its associated cues, rather than simply following a reward that remains available. This distinction helps researchers evaluate memory more directly in behavioral neuroscience experiments.
Time spent in the target quadrant indicates whether the animal preferentially searches the area associated with the former platform. Crossings over the former platform site provide a more localized measure of search accuracy. Considered together, these behaviors help researchers assess how specifically the animal remembers the platform location rather than merely swimming through the pool.
Because the reward is absent, the animal cannot complete the task by repeatedly approaching an immediately reinforced target. Preference for the learned location during the unreinforced test suggests that the subject retained spatial information or relevant cues. This makes the probe trial particularly useful for separating memory-guided behavior from performance controlled mainly by current reinforcement.
After the expected platform or target is removed, researchers observe where the animal searches and quantify behaviors such as time in the target quadrant and crossings over the former platform position. These measurements are collected during the unreinforced test and then used to determine whether the animal’s behavior remains focused on the previously learned location.
Behavior that remains concentrated near the previously relevant location indicates that learning produced a response that can be expressed without the reward present. Comparing probe-trial performance across experimental conditions or stages of a study allows researchers to examine memory formation and retention. The resulting behavioral measures can show whether an intervention changes the strength of remembered information.
Probe trials provide a common behavioral test for examining how altered neural conditions affect memory-related performance. Researchers can compare target-location measures between animals exposed to neural injury, drugs, or genetic manipulation and appropriate comparison groups. Differences in search preference or former platform crossings may reveal changes in spatial learning or retained memory.