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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.
Psychodynamic theorists argue that unconscious...
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The Behavioral Perspective on Personality01:19

The Behavioral Perspective on Personality

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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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Criticisms of the Evolutionary Perspective01:23

Criticisms of the Evolutionary Perspective

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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.
Evolutionary psychology provides one explanation for these findings, suggesting...
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Social Cognitive Perspective on Personality01:30

Social Cognitive Perspective on Personality

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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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Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

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Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
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Pulmonary Tuberculosis II01:28

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Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
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Imaging Mycobacterium tuberculosis in Mice with Reporter Enzyme Fluorescence
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Tuberculosis revisited: cytological perspective.

Debajyoti Chatterjee1, Pranab Dey

  • 1Department of Pathology, Post Graduate Institute of Medical Education and Research, PGIMER, Chandigarh, India.

Diagnostic Cytopathology
|July 1, 2014
PubMed
Summary
This summary is machine-generated.

Tuberculosis diagnosis is challenging due to nonspecific symptoms. Cytological examination offers valuable insights for rapid and accurate identification of tuberculosis using various techniques.

Keywords:
FNACPCRcytologylymph nodetuberculosis

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Area of Science:

  • Microbiology
  • Pathology
  • Public Health

Background:

  • Tuberculosis (TB) remains a significant global health issue, particularly in developing nations.
  • Nonspecific clinical presentations of TB often complicate differential diagnosis, mimicking other diseases.
  • Timely and accurate diagnosis is crucial for effective treatment with antitubercular therapy.

Purpose of the Study:

  • To review the morphological patterns of tuberculosis observed in cytological samples.
  • To discuss the challenges associated with the cytological diagnosis of tuberculosis.
  • To highlight the application of ancillary techniques in improving the accuracy and speed of TB diagnosis.

Main Methods:

  • Review of literature on cytological examination for tuberculosis diagnosis.
  • Analysis of morphological patterns in various cytological specimens.
  • Evaluation of ancillary techniques used in conjunction with cytology.

Main Results:

  • Cytological examination provides essential diagnostic material for tuberculosis.
  • Morphological patterns vary, requiring careful interpretation.
  • Ancillary techniques enhance diagnostic sensitivity and specificity.

Conclusions:

  • Cytology is a valuable tool for diagnosing tuberculosis.
  • Understanding morphological variations and utilizing ancillary techniques are key to accurate diagnosis.
  • Improved diagnostic strategies are needed to combat the global TB burden.