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Related Concept Videos

Introduction to Developmental Psychology01:27

Introduction to Developmental Psychology

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Developmental psychology explores the changes and continuities in human abilities throughout life, encompassing physical, cognitive, linguistic, and social dimensions. Human development is not restricted to growth, but includes aspects of decline, particularly in physical abilities as individuals age. Developmental psychologists seek to understand how people change as they age and how their mental and social skills evolve.Developmental MilestonesA key concept in developmental psychology is...
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Three Developmental Domains01:29

Three Developmental Domains

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Human development is typically examined across three main domains: physical, cognitive, and socio-emotional. These domains represent the significant areas of change and continuity throughout the lifespan, from infancy to late adulthood.
Physical Development
Physical processes, also known as maturation, encompass the biological changes that occur across an individual's life. These changes begin with genetic inheritance and continue through various stages, including growth in height and weight,...
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The Uncertainty Principle04:08

The Uncertainty Principle

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Werner Heisenberg considered the limits of how accurately one can measure properties of an electron or other microscopic particles. He determined that there is a fundamental limit to how accurately one can measure both a particle’s position and its momentum simultaneously. The more accurate the measurement of the momentum of a particle is known, the less accurate the position at that time is known and vice versa. This is what is now called the Heisenberg uncertainty principle. He...
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Hardy-Weinberg Principle01:49

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Diploid organisms have two alleles of each gene, one from each parent, in their somatic cells. Therefore, each individual contributes two alleles to the gene pool of the population. The gene pool of a population is the sum of every allele of all genes within that population and has some degree of variation. Genetic variation is typically expressed as a relative frequency, which is the percentage of the total population that has a given allele, genotype or phenotype.
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The Pauli Exclusion Principle03:06

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The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
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The Aufbau Principle and Hund's Rule03:02

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To determine the electron configuration for any particular atom, we can build the structures in the order of atomic numbers. Beginning with hydrogen, and continuing across the periods of the periodic table, we add one proton at a time to the nucleus and one electron to the proper subshell until we have described the electron configurations of all the elements. This procedure is called the aufbau principle, from the German word aufbau (“to build up”). Each added electron occupies the...
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Cutting, pasting and painting: experimental embryology and neural development.

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Cell interactions underlying notochord induction and formation in the chick embryo.

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Towards a cellular and molecular understanding of neurulation.

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Tracking and Quantifying Developmental Processes in C. elegans Using Open-source Tools
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Principles of developmental biology.

G C Schoenwolf1

  • 1Department of Neurobiology and Anatomy and the Children' s Health Research Center, University of Utah School of Medicine, Salt Lake City, UT 84132-3401, USA. schoenwolf@hsc.utah.edu

Journal of Musculoskeletal & Neuronal Interactions
|March 11, 2005
PubMed
Summary
This summary is machine-generated.

Developmental biology research reveals conserved mechanisms across species and organ systems. Understanding normal development offers hope for treating diseases like cancer.

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Area of Science:

  • Developmental Biology
  • Genetics
  • Molecular Biology

Background:

  • Developmental biology has a 500-year history.
  • Recent advances leverage genetics, molecular biology, and experimental embryology.
  • Modern techniques focus on molecular markers over morphology.

Purpose of the Study:

  • To summarize key principles in developmental biology.
  • To highlight conserved mechanisms and inductive interactions.
  • To connect developmental understanding to disease and regeneration.

Main Methods:

  • Utilizing modern genetics and molecular biology techniques.
  • Employing experimental embryology.
  • Using molecular markers to identify cell populations and differentiation states.

Main Results:

  • Three core principles of development have emerged: conservation, inductive interactions, and lifelong plasticity.
  • Developmental mechanisms are conserved across organ systems and organisms at tissue, cellular, and molecular levels.
  • Inductive interactions, mediated by conserved growth factors and signaling, influence organ development.

Conclusions:

  • Developmental processes are highly conserved and influenced by intercellular communication.
  • Development is a continuous process, relevant to regeneration and disease.
  • Advances in developmental biology offer potential for novel cancer therapies.