Staircase Structure
Staircase Structure - Related Videos
06:48
The Staircase Procedure for Finding a Perceptual Threshold
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2023
Source: Laboratory of Jonathan Flombaum—Johns Hopkins University Psychophysics is the name for a set of methods in perceptual psychology designed in order to relate the actual intensity of stimuli to their perceptual intensity. One important aspect of psychophysics involves the measurement of perceptual thresholds: How bright does a light need to be for a person to be able to detect it? How little pressure applied to the skin is detectable? How soft can a sound be and still be heard? Put...
07:28
Evolution of Staircase Structures in Diffusive Convection
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Cited by 1 •
2018
Diffusive convection (DC) widely occurs in natural processes and engineering applications, characterized by a series of staircases with homogeneous convecting layers and stratified interfaces. An experimental procedure is described to simulate the evolution process of the DC staircase structure, including the generation, development and disappearance, in a rectangular tank.
02:39
Staircase Test for Motor Function Assessment in a Hemiparkinsonian Rat
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2025
This video demonstrates the staircase test to assess motor function in a hemiparkinsonian rat with a right brain lesion. The lesion disrupts dopamine signaling, impairing left paw control, which results in more pellets remaining on the left stairs, indicating motor dysfunction.
07:14
A Novel Approach to Assess Motor Outcome of Deep Brain Stimulation Effects in the Hemiparkinsonian Rat: Staircase and Cylinder Test
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Cited by 7 •
2016
Deep brain stimulation (DBS) is an effective treatment option for Parkinson's disease. We established a study design to screen novel stimulation paradigms in rats. The protocol describes the use of the staircase test and cylinder test for motor outcome assessment in DBS treated hemiparkinsonian rats.
12:03
Dynamics of Structures
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2023
Source: Roberto Leon, Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA It is rare nowadays that a whole year goes by without a major earthquake event wreaking havoc somewhere around the world. In some cases, like the 2005 Banda Ache earthquake in Indonesia, the damage involved large geographic areas and casualties in the six figures. In general, the number and intensity of earthquakes is not increasing, however, the vulnerability of the built environment is...
FAQs
Each step interrupts continuous downslope flow, reducing the speed of moving water as it crosses successive platforms and drops. This interruption changes how water is distributed across the surface rather than allowing it to travel along one uninterrupted slope. Environmental researchers therefore examine stepped geometry when assessing drainage behavior, surface stability, and the redistribution of water within natural or engineered settings.
Slower water movement at and between steps can redistribute sediment across platforms, while changes in elevation influence where material is transported or retained. The resulting pattern is not uniform along the slope because each level creates a separate local setting. Examining sediment placement around these features helps explain the development of river terraces, coastal landforms, and terraced slopes.
The stepped arrangement produces localized differences in moisture, elevation, and exposure. A platform may experience conditions unlike those on the adjacent step or connecting slope, even within the same broader landform. These contrasts matter because they help researchers interpret habitat conditions, drainage patterns, and surface responses as environmental processes reshape the surrounding landscape.
Natural examples are examined as evidence of landscape formation, including river terraces, coastal landforms, and terraced slopes. Engineered versions are evaluated for their intended environmental functions, such as erosion control, water retention, and habitat management. Comparing the two settings emphasizes whether the stepped geometry reflects ongoing landform development or deliberate design within a managed environment.
Researchers assess the dimensions, materials, and position of the structure within the landscape. These observations show how the steps relate to slope geometry, drainage patterns, and surface stability. Combining those characteristics helps distinguish how a feature functions in its setting and provides a basis for evaluating how environmental change may modify its form over time.
Engineered stepped forms can support erosion control, water retention, and habitat management by changing how water and sediment move across a slope. In environmental research, the same structural principles help interpret river terraces, coastal landforms, and terraced slopes. The approach is useful when linking physical geometry with landscape stability, drainage behavior, and localized environmental conditions.