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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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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
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Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
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In 1882, Flemming observed lampbrush chromosomes (LBC) in salamander eggs. Later in 1892, Rückert observed LBCs in shark egg cells and coined the term "lampbrush chromosomes" because they looked like brushes used to clean kerosene lamps.
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Polytene chromosomes are giant interphase chromosomes with several DNA strands placed side by side. They were discovered in the year 1881 by Balbiani in salivary glands, intestine, muscles, malpighian tubules, and hypoderm of larvae Chironomus plumosus. Hence, these are also called "Salivary gland chromosomes." These are found in insects of the order Diptera and Collembola; in certain organs of mammals; and synergids, antipodes of flowering plants. Polytene chromosomes are also...
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We Are All Developmental Biologists.

John B Wallingford1

  • 1Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA.

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|July 24, 2019
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Summary
This summary is machine-generated.

Developmental biology, the study of embryonic development, is crucial to understanding life. Despite scientific advancements, the field faces an "image problem" that needs addressing by recognizing its fundamental importance to human experience.

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Area of Science:

  • Developmental biology
  • Embryology
  • Human embryogenesis

Background:

  • Humanity has been fascinated by embryonic development for thousands of years.
  • Despite significant technical and intellectual progress, developmental biology struggles with public perception.
  • The field faces an "image problem" hindering its broader recognition.

Purpose of the Study:

  • To address the "image problem" in developmental biology.
  • To reframe the public's understanding of the discipline's significance.
  • To highlight the fundamental connection between developmental biology and the human experience.

Main Methods:

  • Philosophical analysis of the field's history and perception.
  • Conceptual framework development for understanding developmental biology's importance.
  • Discourse analysis of the "image problem" in scientific communities.

Main Results:

  • The study identifies a paradox: advancing knowledge contrasts with a perceived lack of relevance.
  • Acknowledging developmental biology as fundamental to the human experience is proposed as a solution.
  • Reframing the narrative can enhance the discipline's public image and appreciation.

Conclusions:

  • Developmental biology is intrinsically linked to the human condition and experience.
  • Addressing the "image problem" requires emphasizing this fundamental connection.
  • Elevating the perceived importance of developmental biology is essential for its future.