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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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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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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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Changes in Skin Color: Clinical Perspectives01:14

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The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
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Electrical current is defined as the rate at which charge flows. When there is a large current present, such as that used to run a refrigerator, a large amount of charge moves through the wire in a small amount of time. If the current is small, such as that used to operate a handheld calculator, a small amount of charge moves through the circuit over a long period of time. The SI unit for current is the ampere (A), named for the French physicist André-Marie Ampère (1775–1836).
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Robot-assisted vitreoretinal surgery: current perspectives.

Marina Roizenblatt1,2, Thomas L Edwards3, Peter L Gehlbach2

  • 1Department of Ophthalmology, Wilmer Eye Institute, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.

Robotic Surgery (Auckland)
|March 13, 2018
PubMed
Summary
This summary is machine-generated.

Robotic systems offer promising solutions for the precision challenges in vitreoretinal microsurgery. This emerging technology is set to enhance patient outcomes and surgical capabilities in retinal procedures.

Keywords:
minimally invasive surgeryprecisionretinarobotic assistancerobotic eye surgeryvitrectomy

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Area of Science:

  • Ophthalmology
  • Robotics
  • Minimally Invasive Surgery

Background:

  • Vitreoretinal microsurgery demands exceptional precision due to micron-scale targets and a fragile workspace.
  • Limitations of the unassisted human hand, including tremor and dexterity, pose significant challenges.
  • Current technological advancements in conventional retina surgery have improved outcomes and safety.

Purpose of the Study:

  • To explore the application of robotic approaches in addressing the challenges of vitreoretinal microsurgery.
  • To highlight the potential of robotic technology to enhance surgical precision and capabilities.
  • To discuss the growing trend of robotic systems in clinical applications and research.

Main Methods:

  • Review of current robotic technologies and their application in retinal surgery.
  • Analysis of the advantages robotic systems offer over unassisted human surgical capabilities.
  • Examination of the growth in robotic medicine laboratories and clinical evaluations.

Main Results:

  • Robotic approaches provide logical and strategic solutions to the complexities of retinal microsurgery.
  • The field of robotic retinal surgery has experienced exponential growth in capabilities and applications.
  • Worldwide evaluation of robotic systems in expanding clinical applications is underway.

Conclusions:

  • Robotic technology is expected to further enhance patient care, surgeon capabilities, and societal benefits in retinal surgery.
  • The integration of robotics signifies a promising advancement in the domain of minimally invasive surgical techniques.
  • Continued development and adoption of robotic systems are anticipated to revolutionize vitreoretinal procedures.