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88 Cards in this Set

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What does the organization of the brain reveal?

The architecture of the mind

What is epistemology?

The theory of knowledge


What are the 4 major components of the brain?

1. Brain stem & cerebellum


2. Limbic system


3. White matter


4. Cerebral cortex

What is the brain stem?

A set of relays between the spinal cord and the cerebellum

What is the cerebellum most involved in?

Motor coordination

What does LGN stand for?

Lateral geniculate nucleus

What is gray matter?

Cell bodies

What is white matter?

Myelinated axons

What does V1 stand for?

Visual cortex

45% of the human brain is made up of:

White matter

Receptive field

The place in the visual world which makes a given neuron fire

Myelinated

A nerve fiber enclosed in a myelin sheath

Retinotopy

Adjacent parts of the Vishal scene are mapped to adjacent parts of the cortex

3 criteria for a cortical area

1. Distinct in function


2. Connectivity to other areas


3. Distinctive structure/cell types

Micro stimulation provides evidence for direction selective neurons by:

Stimulus affecting the perception of motion

How much does the average adult brain weight?

3 Ibs

1990 was the

Decade of the brain

Where allows thoughts to be transformed into words?

Broca’s area

Where does most information processing in the brain take place?

The cerebral cortex

Basal ganglia

Clusters of nerve cells surrounding the thalamus responsible for initiating and integrating movement

Neurotransmitter

Chemicals that brain cells use to talk to each other

CNS

Central nervous system

PNS

Peripheral nervous system

Corpus callosum

A bridge of wide flat neural fibers that help relay signals between the hemispheres

Occipital lobe

Processing and interpreting visual information

Temporal lobe

Major processing center of sound and some forms of memory

Parietal lobe

The home of the somatosensory cortex

Frontal lobe

Executive function, reason, decision making, sensory integration, planning, and execution of movement

What are the 4 lobes?

Frontal, parietal, temporal, occipital

Somatosensory cortex

Processing sensation and touch information + some spatial procsssing

Mind

A set of computations that extract representations

Computational theory

What is the problem to be solved? What is the input/output? How might you get from input to output?

3 questions

BOLD

Blood oxygenation level dependent signal

MRI

Magnetic resonance imaging

DeO2Hb

Deoxygenated hemoglobin

Prospagnosia

Impairs face discrimination and recognition

Double disassociation

combination of two opposite deficits

ERP

Event related potential

FFA

Fusiform face area

The face inversion effect

An increase in errors for upside-down compared to upright stimuli

Hemodynamics

The dynamics of blood flow

HRF

Hemodynamic response function

When does the BOLD response peak?

5-6 seconds after neural activity

TMS

Transcranial magnetic stimulation

OFA

Occipital face area

Independent variable

The factor the experimenter manipulates

Dependent variable

The thing the experimenter measures

Dependent variable

The thing the experimenter measures

Hypothesis

The key idea you are testing in the experiment

Dependent variable

The thing the experimenter measures

Hypothesis

The key idea you are testing in the experiment

Prediction

The precise finding in your data that should be found if the hypothesis is true

Contrast

The point is to isolate a mental process by comparing two conditions

Minimal pairs

Two conditions differing only in one mental process

Confound

Creates specific alternate accounts of your data

MUPA

Multiple voxel pattern analysis

fROI

Functional region of interest

Neural decoding

What information is present in this region

Fundamental questions of navigation

1. Where am I


2. How do I get from A to B

RSC

Retrosplenial cortex

Place cell

A specific place which causes a neuron to fire at only a single location

Place field

The location in space the animal has to be in to make a hippocampal neuron fire

Head direction cell

Responds when heading a specific direction

Grid cell

Tracks how far we’ve gone in each direction

Border cell

Fires at any navigational border

Empirical questions

About truth and observations

Empirical questions

About truth and observations

Innate

Inborn or natural

Empirical questions

About truth and observations

Innate

Inborn or natural

Computational modeling

Using computer programs to simulate and study complex systems

Perceptual narrowing

Reductions in an infants sensitivity to classes of stimuli that are not encountered within their environment

Perceptual narrowing

Reductions in an infants sensitivity to classes of stimuli that are not encountered within their environment

Controlled rearing

When a “normal” part of a child’s development is taken away and the effects are studied

Perceptual narrowing

Reductions in an infants sensitivity to classes of stimuli that are not encountered within their environment

Controlled rearing

When a “normal” part of a child’s development is taken away and the effects are studied

Informational encapsulation

Information processing in the module cannot be affected by information in the rest of the brain

Diffusion tractography

A 3D modeling technique used to visually represent nerve tracks using data collected by diffusion MRI

Connectivity fingerprint

The connectivity a voxel has to each set of anatomical regions

VWFA

Visual word form area

Kennard principal:

If you’re going to have brain damage, have it early

Weber’s Law

The discriminability of two clusters of numbered stimuli depends on their ratio and not the absolute difference

ANS

Approximate number sense

IPS

Inter-parietal sulcus

SPL

Superior Parietal Lobules

IPS

Inferior parietal lobules

Acalculia

Loss of ability to calculate

hIPS

Horizontal segment of the inter-parietal sulcus