Head Width Measurement
Head Width Measurement - Related Videos
08:10
Using Your Head: Measuring Infants' Rational Imitation of Actions
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2023
Source: Laboratories of Judith Danovitch and Nicholaus Noles—University of Louisville One of the main challenges of infancy is to learn how to achieve one’s goals in the world, whether they are to pick up a toy or to express desires to another person, and one of the most powerful tools in this learning process is imitation. However, imitation is not always as simple as copying other people’s actions; it is also necessary to realize that goals and intentions guide behavior. The world is a...
07:30
A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact
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Cited by 8 •
2017
Using an anthropometric head and neck, optical fiber-based fit force transducers, an array of head acceleration and neck force/moment transducers, and a dual high speed camera system, we present a test bed to study helmet retention and effects on biomechanical measures of head and neck injury secondary to head impact.
07:11
Measuring and Interpreting Oxygen Consumption Rates in Whole Fly Head Segments
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Cited by 4 •
2019
Measuring alterations in metabolic rates is central to understanding the progression of various diseases and aging. Here, we present a novel technique to measure whole head oxygen consumption that more closely resembles the physiological state and may aid in revealing novel drugs that modify mitochondrial activity.
08:59
An Open-Source Virtual Reality System for the Measurement of Spatial Learning in Head-Restrained Mice
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Cited by 2 •
2023
Here, we present a simplified open-source hardware and software setup for investigating mouse spatial learning using virtual reality (VR). This system displays a virtual linear track to a head-restrained mouse running on a wheel by utilizing a network of microcontrollers and a single-board computer running an easy-to-use Python graphical software package.
01:19
Muscles that Move the Head
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2024
The muscles that move the head are a dynamic and complex group of structures that work together to facilitate a wide range of head movements, including rotation, flexion, extension, and lateral bending. The bilateral sternocleidomastoid, or SCM, and the suprahyoid and infrahyoid muscles are significant head flexors. The SCM muscles originate at the sternum and clavicle and attach to the mastoid process of the temporal bone. The SCM contracts bilaterally to bend the head forward, whereas...
FAQs
Consistent positioning helps ensure that the measured distance reflects anatomical differences rather than changes in orientation. If specimens are placed differently, the apparent transverse dimension may vary even when underlying anatomy is similar. Standardizing placement therefore improves comparability among individuals, groups, and repeated observations, making observed morphological differences easier to interpret.
Defined lateral landmarks provide reproducible endpoints for the measurement. Their use limits ambiguity about where the distance should begin and end, which is especially important when comparing developmental stages or experimental groups. A consistent landmark scheme supports more meaningful estimates of anatomical variation than measurements based on visually selected boundaries.
Repeated measurements help reveal whether results are stable or sensitive to positioning and observer judgment. Agreement across repetitions increases confidence that the recorded value represents the specimen rather than measurement variation. If repetitions differ, the pattern may indicate the need for more careful positioning, landmark identification, or review of the measurement procedure.
A ruler, caliper, or calibrated image can provide the measurement, depending on how the specimen is examined and recorded. The selected tool should allow the distance between the defined lateral landmarks to be represented consistently. Calibration is particularly important for image-based measurements because it connects image distance with the anatomical scale being analyzed.
This metric is useful when investigators want to characterize growth, compare morphology among individuals or groups, or examine phenotypic effects associated with genetic, environmental, or experimental conditions. It can contribute to analyses of neurodevelopment and structural variation, particularly when changes in head form are evaluated across developmental or comparative samples.
Head width provides stronger scientific context when considered alongside additional anatomical and behavioral measures rather than treated as an isolated outcome. Combined data can help relate structural differences to neurodevelopmental patterns, disease-model phenotypes, or broader individual variation. This approach supports interpretation of whether a morphological difference corresponds with other observed characteristics.