BRAIN AND BEHAVIOR EXAM 3

Parvocellular cells:

primarily receive their input from cones.

The primary visual cortex is also known as:

V1

The inner ear ossicles are involved in what aspect of sound processing?

amplification.

The frontal lobes are fully developed:

around age 25

Which of the following is the correct sequence of brain development?

cell birth, cell migration, cell differentiation, cell maturation.

The part of the sensory world that stimulates a neuron is called the neuron’s:

receptive field

You can create a simplistic model of Parkinsons’s disease in a rat by:

lesioning the substantia nigra

cells that respond to a moving bar of light in a specific orientation are called:

hypercomplex cortical cells

The ventral stream projects to the:

temporal lobe

Orientation detection is first coded by:

V1 cortical cells

____ uses light to control targeted cells in living tissue in order to activate proteins

Optogenetics

Rods are used primarily in ____, whereas cones are found primarily in ____.

peripheral vision; the fovea

Positron emission tomography (PET) uses:

radioactive isotopes

Neurons migrate to their appropriate location by following a road laid down by:

radial glial cells.

According to recent research, which of the following scenarios is most likely to lead to an infant death from SIDS?

faster reuptake of serotonin in the synapse

On-center cells:

are excited by light that falls in the center of their receptive field

fMRI has high ____ but low ____.

spatial resolution; temporal resolution

The superior colliculus play an important role in:

orienting responses.

A computed tomography (CT) scan is a:

series of X-rays.

The central nervous system originates from:

the neural tube.

EEG can be used to

Monitor sleep, estimate depth of anesthesia, detect epilepsy.

Neurons migrate to the correct locations by following:

radial glial cells and chemical signals

Studies have shown that children are able to solve the ____ prior to the ____.

concurrent discrimination task; nonmatching-to-sample task

Magnocellular cells:

have low visual acuity, are insensitive to color, primarily receive inputs from rods

the main advantage of MEG over EEG is:

MEG is better at localizing the cource of electrical signals in the brain.

Human lesion patients are good for studying:

Long duration, spatially non-specific neural influences over behavior.

Sound transduction occurs on the:

basilar membrane.

anencephaly is a result of:

failure of the front end of the neural tube to close.

EEG measures what aspect of neuronal activity?

The electrical summation of graded potentials on dendrites.

Neuroblasts and glioblasts are formed directly from:

progenitor cells

Thalamic ____ geniculate nucleus is involved in vision, whereas ____ geniculate nucleus is involved in sound.

lateral, medial

Which of the following is the correct order of neuron layers in the retina from outermost(rostal) to innermost(caudal)?

ganglion cell layer, bipolar cell layer, photo receptor layer

prosody means the same as":

emotional tone of voice.

Cerebral palsy is most often caused by:

oxygen deprivation

A ____ is a neural-spatial representation of areas of the sensory world percieved by a sensory organ.

topographic map

____ is the process that works to suppress gene expression.

methylation