Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

16 Questions

0 Views

Intelligence in the Brain: Lecture 8B

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What did brain imaging studies help shift intelligence research away from?

Psychometric approaches (correct)

Controversies about brain characteristics

PET scans of the brain

Neuroscientific perspectives

What technology was used in the early 1970s to investigate brain function indirectly?

Positron emission tomography (PET)

EEG recordings from scalp electrodes (correct)

MRI scans of the brain

Blood and urine analysis

What accumulates in brain areas working the hardest in PET scans?

Neurotransmitters

Electrical activity

PET scanning dye

Radioactive glucose (correct)

What did PET scans show in the living brain?

Brain function Signup and view all the answers

What is one of the even more amazing imaging technologies mentioned in the lecture?

fMRI scans of the brain Signup and view all the answers

What did brain researchers use to measure the electrical activity of the brain in the early 1970s?

EEG recordings from scalp electrodes Signup and view all the answers

What does a computerized axial tomography (CAT) scan show?

Brain structure as X-rays pass through the head Signup and view all the answers

What is the main limitation of a PET scan compared to a CAT scan?

It cannot show brain structure Signup and view all the answers

When did the first PET scanners become available?

About 1980 Signup and view all the answers

What hypothesis of intelligence was proposed based on the PET study in 1988?

Brain efficiency hypothesis of intelligence Signup and view all the answers

What did the PET study of learning in the early 1990s involve?

Tetris, a popular computer game Signup and view all the answers

What was one of the main findings of the PET study of intelligence in 1988?

More brain activity was associated with worse performance Signup and view all the answers

What did researchers propose about higher intelligence based on the PET study in 1988?

It requires less brainwork Signup and view all the answers

What did researchers attempt to understand after the surprising finding in 1988?

How exactly brain efficiency might relate to intelligence Signup and view all the answers

What is one of the main limitations of a CAT scan compared to a PET scan?

It cannot show brain function Signup and view all the answers

What can a PET scan show depending on what the brain is doing?

Different patterns based on reasoning or problem solving Signup and view all the answers