Psychology brain parts

Course Announcements

  • There are important announcements posted on Canvas regarding exam study material.

  • Students are encouraged to study the content posted in these announcements to prepare for the exam.

  • Students are advised not to look for additional materials on external platforms like Google or YouTube.

Class Format and Participation

  • The instructor requests that questions and comments be held until the end of the session to maximize coverage of the material.

  • The class format may vary, including personal reflections from the instructor.

Instructor's Personal Reflections

  • The instructor speaks about recent events concerning The Church of Jesus Christ of Latter-day Saints and their emotional impact.

  • The loss of their prophet and tragic events in Michigan have led to reflections on sensitivity and emotional responses, especially as a parent.

  • Noted that the church has a structured way of handling transitions, comparing it to scriptural events such as the wise men’s journey to find Christ.

  • Emphasizes the importance of seeking divine guidance analogous to how the wise men were guided by the star to find Christ.

Scriptural References

  • Matthew 2: Discussion around the wise men and their journey.

  • Revelation 1:20: Stars symbolize the servants of the church.

  • Amos 3:7: God reveals secrets to prophets.

  • Reflects on President Russell Nelson and the new leadership transition to President Downey Jokes.

Spiritual Youth Guidance

  • Students are encouraged to approach conference weekend with intention, seeking counsel as the wise men sought guidance from their star.

  • Calls for a response of being celestial and peacemakers during challenging times.

  • Reference to Romans 4:21 regarding following counsel akin to the importance of regular exercise for achieving results.

Introduction to Philosophy and Identity

  • The instructor shares their enthusiasm for philosophy, noting it often leads to questioning one's existence and identity.

  • Discusses philosophical debates on the characteristics that define an apple, raising parallels with discussions on human identity.

  • This engages philosophical concepts relevant to real-life controversial topics such as the abortion debate, based on defining humanity.

Brain Functionality and Structure

Forebrain Regions

  • Introduction to the Forebrain, focusing on critical brain regions relevant to human experience.

Thalamus
  • Described as the customer service center of the brain where all sensory information except smell is relayed for processing.

  • All signals of sight, sound, taste, and touch (excluding smell) are sent to the thalamus first.

Hypothalamus
  • Functions: Regulates equilibrium, hunger, thirst, temperature control, and sex drive by initiating responses to imbalances in these areas.

  • Critical for maintaining homeostasis.

Basal Ganglia
  • Associated with intentional movement. Dysfunction can be seen in conditions like Parkinson's disease.

  • The instructor uses a mnemonic related to The Great Mouse Detective character Basil to illustrate intentionality in movement.

Amygdala
  • Central to emotional processing, especially fear responses.

  • Engaged during high-stress situations or perceived threats.

Hippocampus
  • Responsible for forming and storing new memories, emphasizing its role in remembering emotional events.

  • Discusses Memento as a case of anterograde amnesia, comparing it to experiences in daily life and memory retention issues.

Brain Structure and Importance

Cerebral Cortex

  • Described as the outer layer of the brain, referred to as the brain bark.

  • Key brain injury risks are identified: The occipital lobe is most problematic to injure due to its role in processing visual information.

Lobe Functionality

  • Occipital Lobe: Visual processing region. Injury can lead to blindness.

  • Parietal Lobe: Processes touch; includes the somatosensory cortex responsible for sensitivity to touch.

  • Temporal Lobe: Involved in auditory processing, housing Broca's area (speech production) and Wernicke's area (comprehension).

    • These areas are exclusively located in the left hemisphere for language processing.

  • Frontal Lobe: Home to higher cognitive functions including reasoning, impulse control, and personality traits. Associated with executive function.

Phineas Gage's Case Study

  • Illustrates impacts of brain injury on personality and behavior, showcasing the function of the prefrontal cortex.

Neuropsychology as a Field

  • Discusses the role of neuropsychologists in assessing brain damage and conducting psychological assessments.

Nature vs. Nurture Debate

  • Historical perspectives categorized individuals as being shaped by either their biology (nature) or environment (nurture).

  • Presents epigenetics as a reconciliation of both perspectives, demonstrating the influence of environment on gene expression.

  • Examples:

    • Groomed versus non-groomed rats to illustrate the nature/nurture influence on behavior and stress response.

Conclusion and Study Guidance

  • Students are encouraged to focus on study materials relevant to the first exam structure.

  • The instructor emphasizes familiarity and understanding of content, cautioning against reliance solely on familiarity for exam preparation.

  • Provide a comprehensive study guide emphasizing engagement with terms and concepts rather than rote memorization.