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Related Concept Videos

Psychodynamic Perspectives on Personality01:27

Psychodynamic Perspectives on Personality

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The psychodynamic perspective in psychology asserts that most personality functions operate unconsciously, outside of awareness. This means that the motives and emotions driving behavior often remain hidden, automatically buried in the unconscious mind as a defense mechanism to shield us from psychological distress. According to this theory, the unconscious mind contains thoughts, memories, and emotions that are too disturbing to face directly.
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Introduction to Developmental Psychology01:27

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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

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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.
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Social Cognitive Perspective on Personality01:30

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Social cognitive perspectives on personality emphasize the importance of conscious awareness, beliefs, expectations, and goals in shaping behavior. These perspectives incorporate behaviorist principles, such as learning through reinforcement and conditioning, but extend beyond them by highlighting human reasoning and planning. Unlike traditional behaviorist views, social cognitive theory focuses on how individuals reflect on their past experiences and plan for future outcomes by considering...
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Criticisms of the Evolutionary Perspective01:23

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In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
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The Behavioral Perspective on Personality01:19

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Behaviorists view personality as primarily shaped by environmental reinforcements and consequences. According to this perspective, behavior is influenced by external stimuli, and individuals adjust their actions based on rewards and punishments. Over time, learning histories — accumulated patterns of reinforcement — play a significant role in shaping personality. Behaviors that lead to positive outcomes are reinforced, while those resulting in negative outcomes are diminished.
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Pediatric Germ Cell Tumors: A Developmental Perspective.

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Childhood germ cell tumors (GCTs) are distinct from adult GCTs. Research into normal germ cell development and pathways like KIT signaling may reveal novel therapeutic targets for pediatric GCTs.

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Area of Science:

  • Pediatric Oncology
  • Molecular Biology
  • Cancer Genetics

Background:

  • Germ cell tumors (GCTs) in children and adolescents present unique challenges.
  • Pediatric GCTs may represent a distinct biological entity compared to adult GCTs.
  • Current treatments, while effective, carry risks of significant long-term side effects in children.

Purpose of the Study:

  • To review biological insights into childhood GCTs.
  • To explore the relevance of normal germ cell development to GCT tumorigenesis.
  • To identify potential molecular targets for novel pediatric GCT therapies.

Main Methods:

  • Review of epidemiological and molecular evidence.
  • Analysis of next-generation sequencing and genome-wide association studies.
  • Examination of epigenetic regulation and signaling pathways in GCTs.

Main Results:

  • Childhood GCTs show distinct biological characteristics.
  • Epigenetic dysregulation and KIT pathway perturbations are implicated in GCT development.
  • Understanding normal germ cell development is crucial for GCT research.

Conclusions:

  • Novel therapeutic strategies for pediatric GCTs could emerge from understanding germ cell development.
  • Targeting specific molecular pathways may lead to more effective and less toxic treatments.
  • Further translational and clinical research is warranted for childhood GCTs.