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Psychology
Oct 15, 2025
904
2 pages
The biological approach in psychology explores how biological structures and processes influence human behavior and mental processes. It... Show more
While the biological approach in psychology offers valuable insights into human behavior, it is not without its limitations and criticisms. This page explores some of the strengths and weaknesses of this perspective.
Strengths
Scientific rigor The biological approach employs objective and reliable methods of investigation, such as brain imaging techniques, which provide empirical evidence for its claims.
Practical applications Insights from this approach have led to the development of effective treatments for mental illnesses, particularly through the use of psychoactive drugs.
Example The understanding of neurotransmitter function has led to the development of antidepressants that target specific chemical imbalances in the brain.
Weaknesses
Quote "This evidence comes from studies that show a particular drug reduces mental disorder symptoms, assuming the neurochemical in the drug causes the disorder - this is like assuming the cause of a headache is lack of paracetamol because paracetamol is effective in reducing symptoms."
Highlight This deterministic view has implications for the legal system, as it challenges notions of free will and personal responsibility for one's actions.
Vocabulary Nature-nurture debate The ongoing discussion in psychology about the relative influences of genetic inheritance and environmental factors on human behavior and development.
Understanding these strengths and weaknesses is crucial for students studying the biological approach psychology A level, as it allows for a more nuanced and critical evaluation of this perspective in explaining human behavior and mental processes.
The biological approach in psychology is a fundamental perspective that examines how biological factors influence human behavior and mental processes. This approach is based on the assumption that all psychological phenomena have a biological basis.
Definition The biological approach suggests that everything psychological is first biological, focusing on how genes, neurochemistry, and the nervous system shape our thoughts and behaviors.
Key aspects of the biological approach include
Vocabulary
- Genotype A person's genetic makeup
- Phenotype The observable characteristics resulting from the expression of genes
Brain structure and function The approach examines how different brain regions and neural processes contribute to various psychological phenomena.
Evolutionary perspective It applies Darwin's theory of natural selection to explain how certain behaviors have evolved to increase survival chances.
Example Farmers use principles of selective breeding, which is based on evolutionary theory, to enhance desirable traits in crops and livestock.
Highlight The use of advanced technology in brain imaging has significantly contributed to the scientific credibility of the biological approach in psychology.
The biological approach psychology A level curriculum often emphasizes these key concepts to provide students with a comprehensive understanding of how biology influences human behavior and mental processes.
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
You can download the app in the Google Play Store and in the Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
13
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines
Unit 2 review
PsychologyUnit 2 review
PsychologyExplore Lombroso's groundbreaking research on the biological basis of criminal behavior, focusing on the atavistic form and its implications in criminology. This summary examines key concepts such as offender profiling, the influence of genetics, and critiques of Lombroso's theories, including counterarguments and modern perspectives on nature versus nurture in criminality.
PsychologyStudy notes covering AP Psych curriculum
AP PsychologyExplore the nature-nurture debate in psychology, focusing on key concepts such as attachment theory, behavior genetics, and the interactionist approach. This comprehensive analysis discusses the roles of innate biological factors and environmental influences in shaping behavior, supported by examples like PKU and twin studies. Ideal for students preparing for essays or exams on psychological issues and debates.
PsychologyExplore the critical evaluation of holism and reductionism in psychology. This summary covers the strengths and weaknesses of both approaches, including the diathesis-stress model, biological reductionism, and the importance of social context in understanding behavior. Ideal for students studying psychological debates and the biopsychosocial model.
PsychologyApp Store
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
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
Android user
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
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
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
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
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
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
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
Android user
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
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
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
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
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
iOS user
Psychology
Oct 15, 2025
904
2 pages
The biological approach in psychology explores how biological structures and processes influence human behavior and mental processes. It emphasizes the role of genetics, brain function, and evolutionary factors in shaping... Show more
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
While the biological approach in psychology offers valuable insights into human behavior, it is not without its limitations and criticisms. This page explores some of the strengths and weaknesses of this perspective.
Strengths
Scientific rigor The biological approach employs objective and reliable methods of investigation, such as brain imaging techniques, which provide empirical evidence for its claims.
Practical applications Insights from this approach have led to the development of effective treatments for mental illnesses, particularly through the use of psychoactive drugs.
Example The understanding of neurotransmitter function has led to the development of antidepressants that target specific chemical imbalances in the brain.
Weaknesses
Quote "This evidence comes from studies that show a particular drug reduces mental disorder symptoms, assuming the neurochemical in the drug causes the disorder - this is like assuming the cause of a headache is lack of paracetamol because paracetamol is effective in reducing symptoms."
Highlight This deterministic view has implications for the legal system, as it challenges notions of free will and personal responsibility for one's actions.
Vocabulary Nature-nurture debate The ongoing discussion in psychology about the relative influences of genetic inheritance and environmental factors on human behavior and development.
Understanding these strengths and weaknesses is crucial for students studying the biological approach psychology A level, as it allows for a more nuanced and critical evaluation of this perspective in explaining human behavior and mental processes.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
The biological approach in psychology is a fundamental perspective that examines how biological factors influence human behavior and mental processes. This approach is based on the assumption that all psychological phenomena have a biological basis.
Definition The biological approach suggests that everything psychological is first biological, focusing on how genes, neurochemistry, and the nervous system shape our thoughts and behaviors.
Key aspects of the biological approach include
Vocabulary
- Genotype A person's genetic makeup
- Phenotype The observable characteristics resulting from the expression of genes
Brain structure and function The approach examines how different brain regions and neural processes contribute to various psychological phenomena.
Evolutionary perspective It applies Darwin's theory of natural selection to explain how certain behaviors have evolved to increase survival chances.
Example Farmers use principles of selective breeding, which is based on evolutionary theory, to enhance desirable traits in crops and livestock.
Highlight The use of advanced technology in brain imaging has significantly contributed to the scientific credibility of the biological approach in psychology.
The biological approach psychology A level curriculum often emphasizes these key concepts to provide students with a comprehensive understanding of how biology influences human behavior and mental processes.
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
You can download the app in the Google Play Store and in the Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
13
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines
Unit 2 review
PsychologyUnit 2 review
PsychologyExplore Lombroso's groundbreaking research on the biological basis of criminal behavior, focusing on the atavistic form and its implications in criminology. This summary examines key concepts such as offender profiling, the influence of genetics, and critiques of Lombroso's theories, including counterarguments and modern perspectives on nature versus nurture in criminality.
PsychologyStudy notes covering AP Psych curriculum
AP PsychologyExplore the nature-nurture debate in psychology, focusing on key concepts such as attachment theory, behavior genetics, and the interactionist approach. This comprehensive analysis discusses the roles of innate biological factors and environmental influences in shaping behavior, supported by examples like PKU and twin studies. Ideal for students preparing for essays or exams on psychological issues and debates.
PsychologyExplore the critical evaluation of holism and reductionism in psychology. This summary covers the strengths and weaknesses of both approaches, including the diathesis-stress model, biological reductionism, and the importance of social context in understanding behavior. Ideal for students studying psychological debates and the biopsychosocial model.
PsychologyApp Store
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
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
Android user
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
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
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
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
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
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
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
Android user
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
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
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
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
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
iOS user
