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Exploring Psychology: Biological Approach and Genetics in Behavior

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sbegum

2/2/2023

Psychology

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Exploring Psychology: Biological Approach and Genetics in Behavior

The biological approach in psychology posits that all psychological phenomena have biological origins. This perspective examines how bodily structures and processes influence behavior, emphasizing genetic and environmental factors in shaping human conduct. It explores the role of brain function, neurotransmitters, and hormones in mental processes and disorders.

Key points:

  • Assumes psychological phenomena have biological bases
  • Investigates genetic and environmental influences on behavior
  • Examines brain function, neurotransmitters, and hormones
  • Considers evolutionary psychology and genetic determinism
  • Supports development of drug treatments for mental illnesses
  • Utilizes scientific techniques like brain scanning for research
...

2/2/2023

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Psychology

258

Feb 2, 2023

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Exploring Psychology: Biological Approach and Genetics in Behavior

S

sbegum

@sbegum_qnox

The biological approach in psychology posits that all psychological phenomena have biological origins. This perspective examines how bodily structures and processes influence behavior, emphasizing genetic and environmental factors in shaping human conduct. It explores the role of brain function, neurotransmitters,... Show more

Outline and evaluate the biological approach in psychology
(16 marks)
The biological approach assumes that everything psychological is at fi

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Outline and Evaluate the Biological Approach in Psychology

The biological approach in psychology is a fundamental perspective that assumes all psychological phenomena have biological origins. This approach investigates how biological structures and processes within the body impact our behavior, emphasizing the role of genetic and environmental factors in shaping human conduct.

Genetic Influences and Mental Illness

The biological approach posits that mental illnesses can be transmitted through genetic material. This is studied by examining concordance rates among biological relatives. For instance, monozygotic twins have a 48% likelihood of developing Schizophrenia if one twin has already been diagnosed Janick2001Janick 2001. This highlights the genetic and environmental influences on behavior in psychology.

Example: McGuffin et al. 19961996 studied twins where one already suffered from depression. They found a 46% concordance rate for depression in monozygotic MZMZ twins and a 20% rate in dizygotic DZDZ twins, suggesting a genetic component to depression.

Evolutionary Psychology and Behavior

Evolutionary psychology, a subset of the biological approach, considers genetic influences on common behaviors. It explains that genetically determined behavior results from sexual selection, enhancing survival chances.

Example: Attachment behavior is considered an evolutionarily advantageous trait that increases offspring survival.

Brain, Nervous System, and Neurotransmitters

The biological approach emphasizes studying the brain, nervous system, and other biological systems such as hormones and neurotransmitters.

Highlight: Dopamine is thought to play a role in Schizophrenia Comer2003Comer 2003, while serotonin levels can impact depressive disorders.

Strengths of the Biological Approach

  1. Scientific Validity: The approach utilizes scientific techniques, such as brain scanning fMRIfMRI, to produce objective and reliable data, increasing internal validity.
  2. Treatment Development: It has enabled the development of effective drug treatments for mental illnesses, such as SSRIs for depression.

Criticisms and Limitations

  1. Reductionism: The approach may oversimplify complex psychological phenomena by reducing them to purely biological factors.
  2. Determinism: It assumes that human behavior is primarily controlled by internal genetic causes, leaving little room for free will or choice.
  3. Incomplete Explanation: While genetic factors are important, they don't fully explain all aspects of human behavior and mental illness, as evidenced by the less than 100% concordance rates in twin studies.

Vocabulary: Diathesis-stress model: A theory suggesting that individuals may be genetically predisposed to certain behaviors or illnesses, but environmental triggers are necessary for their development.

In conclusion, while the biological approach in psychology provides valuable insights into the physiological bases of behavior and mental processes, it should be considered alongside other psychological perspectives for a more comprehensive understanding of human behavior.

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This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

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Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

Anna

iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

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Brad T

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Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

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Greenlight Bonnie

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Marco B

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Elisha

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This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

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