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Psychodynamic Perspectives on Personality01:27

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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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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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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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Related Experiment Video

Updated: Feb 7, 2026

Using a Whole-mount Immunohistochemical Method to Study the Innervation of the Biliary Tract in Suncus murinus
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New perspectives in biliary tract cancers.

T O Goetze1, C Roderburg2, F W Friedrich3

  • 1Krankenhaus Nordwest, Institute of Clinical Cancer Research, University Cancer Center, Frankfurt.

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|February 6, 2026
PubMed
Summary

Biliary tract cancer (BTC) treatment is improving with new immunotherapies and targeted drugs. Biomarker-driven approaches show promise for better patient outcomes and quality of life.

Keywords:
biliary tract cancerchemotherapycholangiocarcinomaimmunotherapytargeted therapytreatment

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Area of Science:

  • Oncology
  • Gastroenterology
  • Immunotherapy

Background:

  • Biliary tract cancer (BTC) is a rare, highly lethal malignancy with a poor prognosis.
  • Existing treatments offer limited survival benefits, highlighting the need for novel therapeutic strategies.
  • Systematic treatments for BTC require significant advancement.

Purpose of the Study:

  • To provide a concise overview of current and emerging treatment options for BTC.
  • To emphasize advances in immunotherapy and targeted therapies for BTC.
  • To explore the role of genetic alterations and biomarkers in guiding BTC treatment.

Main Methods:

  • Review of existing literature on BTC treatment modalities.
  • Analysis of current clinical trials and guideline recommendations.
  • Focus on genetic alterations (IDH1/2, FGFR2, HER2/neu) and biomarkers (miRNAs) for targeted therapy and immunotherapy.

Main Results:

  • Standard treatments include surgery, radiotherapy, chemotherapy, and chemoradiotherapy.
  • Immunotherapy combined with chemotherapy, like durvalumab plus gemcitabine/cisplatin, is a recommended first-line treatment for advanced BTC.
  • Specific genetic alterations (IDH1/2, FGFR2, HER2/neu) serve as targets for novel therapies.

Conclusions:

  • Significant progress is being made in biomarker-driven targeted therapies and immunotherapies for BTC.
  • These advancements hold the potential to substantially improve patient treatment outcomes and quality of life.
  • Future research should focus on leveraging biomarkers to personalize BTC treatment regimens.